Finding the Fourth Proportional to 182,780.12, 252,235.14 and 102,207.80
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Solution
The fourth proportional to 182,780.12, 252,235.14 and 102,207.80 is: 141,045.97
Step by Step Solution
- Step 1: Write the proportion equation
182,780.12 : 252,235.14 = 102,207.80 : x - Step 2: Convert to fraction form
182,780.12/252,235.14 = 102,207.80/x - Step 3: Cross multiply
182,780.12x = 252,235.14 × 102,207.80 - Step 4: Simplify right side
182,780.12x = 25,780,398,742.09 - Step 5: Solve for x
x = 25,780,398,742.09/182,780.12 - Step 6: Final answer
x = 141,045.97
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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.