Finding the Fourth Proportional to 125,126.92, 187,708.70 and 36,368.88
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Solution
The fourth proportional to 125,126.92, 187,708.70 and 36,368.88 is: 54,558.64
Step by Step Solution
- Step 1: Write the proportion equation
125,126.92 : 187,708.70 = 36,368.88 : x - Step 2: Convert to fraction form
125,126.92/187,708.70 = 36,368.88/x - Step 3: Cross multiply
125,126.92x = 187,708.70 × 36,368.88 - Step 4: Simplify right side
125,126.92x = 6,826,755,185.26 - Step 5: Solve for x
x = 6,826,755,185.26/125,126.92 - Step 6: Final answer
x = 54,558.64
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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.