Finding the Fourth Proportional to 100.18, 150.27 and 100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   100.18 : 150.27 = 100.18 : x
2. Step 2: Convert to fraction form
   100.18/150.27 = 100.18/x
3. Step 3: Cross multiply
   100.18x = 150.27 × 100.18
4. Step 4: Simplify right side
   100.18x = 15,052.80
5. Step 5: Solve for x
   x = 15,052.80/100.18
6. Step 6: Final answer
   x = 150.27