Question 3997


Going from 32 to -48 you have to multiply by -1.5.
Going from -48 tp 72 you have to multiply by -1.5.
...
So a number of the sequence has to be multiplied by -1.5 to get to the following one. 
and when we calculate: -108*-1.5=162
The next: 162*-1.5=-243

And so on...

Greets