Finding the Fourth Proportional to 125,151.77, 187,752.15 and 55,030.88
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Solution
The fourth proportional to 125,151.77, 187,752.15 and 55,030.88 is: 82,557.09
Step by Step Solution
- Step 1: Write the proportion equation
125,151.77 : 187,752.15 = 55,030.88 : x - Step 2: Convert to fraction form
125,151.77/187,752.15 = 55,030.88/x - Step 3: Cross multiply
125,151.77x = 187,752.15 × 55,030.88 - Step 4: Simplify right side
125,151.77x = 10,332,165,097.63 - Step 5: Solve for x
x = 10,332,165,097.63/125,151.77 - Step 6: Final answer
x = 82,557.09
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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.