Finding the Fourth Proportional to 125,129.10, 187,712.46 and 36,371.08
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Solution
The fourth proportional to 125,129.10, 187,712.46 and 36,371.08 is: 54,562.09
Step by Step Solution
- Step 1: Write the proportion equation
125,129.10 : 187,712.46 = 36,371.08 : x - Step 2: Convert to fraction form
125,129.10/187,712.46 = 36,371.08/x - Step 3: Cross multiply
125,129.10x = 187,712.46 × 36,371.08 - Step 4: Simplify right side
125,129.10x = 6,827,304,899.66 - Step 5: Solve for x
x = 6,827,304,899.66/125,129.10 - Step 6: Final answer
x = 54,562.09
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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.