Finding the Fourth Proportional to 124,864.61, 187,000.99 and 71,585.54
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Solution
The fourth proportional to 124,864.61, 187,000.99 and 71,585.54 is: 107,208.65
Step by Step Solution
- Step 1: Write the proportion equation
124,864.61 : 187,000.99 = 71,585.54 : x - Step 2: Convert to fraction form
124,864.61/187,000.99 = 71,585.54/x - Step 3: Cross multiply
124,864.61x = 187,000.99 × 71,585.54 - Step 4: Simplify right side
124,864.61x = 13,386,566,849.68 - Step 5: Solve for x
x = 13,386,566,849.68/124,864.61 - Step 6: Final answer
x = 107,208.65
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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.