Finding the Fourth Proportional to 125,132.95, 187,717.73 and 36,374.92
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Solution
The fourth proportional to 125,132.95, 187,717.73 and 36,374.92 is: 54,567.70
Step by Step Solution
- Step 1: Write the proportion equation
125,132.95 : 187,717.73 = 36,374.92 : x - Step 2: Convert to fraction form
125,132.95/187,717.73 = 36,374.92/x - Step 3: Cross multiply
125,132.95x = 187,717.73 × 36,374.92 - Step 4: Simplify right side
125,132.95x = 6,828,217,411.33 - Step 5: Solve for x
x = 6,828,217,411.33/125,132.95 - Step 6: Final answer
x = 54,567.70
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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.