Finding the Fourth Proportional to 125,124.24, 187,715.76 and 36,379.68
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Solution
The fourth proportional to 125,124.24, 187,715.76 and 36,379.68 is: 54,578.07
Step by Step Solution
- Step 1: Write the proportion equation
125,124.24 : 187,715.76 = 36,379.68 : x - Step 2: Convert to fraction form
125,124.24/187,715.76 = 36,379.68/x - Step 3: Cross multiply
125,124.24x = 187,715.76 × 36,379.68 - Step 4: Simplify right side
125,124.24x = 6,829,039,279.76 - Step 5: Solve for x
x = 6,829,039,279.76/125,124.24 - Step 6: Final answer
x = 54,578.07
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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.