Finding the Fourth Proportional to 176,575.25, 243,619.98 and 100,082.09
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Solution
The fourth proportional to 176,575.25, 243,619.98 and 100,082.09 is: 138,082.75
Step by Step Solution
- Step 1: Write the proportion equation
176,575.25 : 243,619.98 = 100,082.09 : x - Step 2: Convert to fraction form
176,575.25/243,619.98 = 100,082.09/x - Step 3: Cross multiply
176,575.25x = 243,619.98 × 100,082.09 - Step 4: Simplify right side
176,575.25x = 24,381,996,764.16 - Step 5: Solve for x
x = 24,381,996,764.16/176,575.25 - Step 6: Final answer
x = 138,082.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.