Finding the Fourth Proportional to 156,734.24, 235,141.14 and 72,555.08
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Solution
The fourth proportional to 156,734.24, 235,141.14 and 72,555.08 is: 108,851.03
Step by Step Solution
- Step 1: Write the proportion equation
156,734.24 : 235,141.14 = 72,555.08 : x - Step 2: Convert to fraction form
156,734.24/235,141.14 = 72,555.08/x - Step 3: Cross multiply
156,734.24x = 235,141.14 × 72,555.08 - Step 4: Simplify right side
156,734.24x = 17,060,684,223.99 - Step 5: Solve for x
x = 17,060,684,223.99/156,734.24 - Step 6: Final answer
x = 108,851.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.