This is actually possible to happen since ethereum has a promising and excellent market performance. It looks like bitcoin back from 2013 to 2014, btc market price is around $700 only and years passed by and slowly increasing, who would have thought that bitcoin market price will become $58k + all time high. So if it is possible in bitcoin, it is also possible in other coin especially ethereum.
100k is really incredible, but for me, ETH deserves definitely this price and maybe ETH can reach this price and l believe we will see ETH at this price in the future. Everything is possible, as you said none could predict, BTC has become 58k ATH. ETH is the second-best cryptocurrency and since the beginning of this year, ETH is making really the best movement. But this year is still early for ETH to reach this price, if we want to see ETH at 100k, the current situation must be different. l mean if BTC reaches 200k, maybe ETH can have such a chance. But on the other hand, it is still a dream.