Finding the Fourth Proportional to 124,935.13, 187,402.69 and 36,188.66
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Solution
The fourth proportional to 124,935.13, 187,402.69 and 36,188.66 is: 54,282.99
Step by Step Solution
- Step 1: Write the proportion equation
124,935.13 : 187,402.69 = 36,188.66 : x - Step 2: Convert to fraction form
124,935.13/187,402.69 = 36,188.66/x - Step 3: Cross multiply
124,935.13x = 187,402.69 × 36,188.66 - Step 4: Simplify right side
124,935.13x = 6,781,852,231.50 - Step 5: Solve for x
x = 6,781,852,231.50/124,935.13 - Step 6: Final answer
x = 54,282.99
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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.