Finding the Fourth Proportional to 156,753.12, 235,125.57 and 55,549.70
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Solution
The fourth proportional to 156,753.12, 235,125.57 and 55,549.70 is: 83,323.09
Step by Step Solution
- Step 1: Write the proportion equation
156,753.12 : 235,125.57 = 55,549.70 : x - Step 2: Convert to fraction form
156,753.12/235,125.57 = 55,549.70/x - Step 3: Cross multiply
156,753.12x = 235,125.57 × 55,549.70 - Step 4: Simplify right side
156,753.12x = 13,061,153,700.20 - Step 5: Solve for x
x = 13,061,153,700.20/156,753.12 - Step 6: Final answer
x = 83,323.09
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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.