Finding the Fourth Proportional to 88,129.14, 132,198.58 and 57,161.22
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Solution
The fourth proportional to 88,129.14, 132,198.58 and 57,161.22 is: 85,744.99
Step by Step Solution
- Step 1: Write the proportion equation
88,129.14 : 132,198.58 = 57,161.22 : x - Step 2: Convert to fraction form
88,129.14/132,198.58 = 57,161.22/x - Step 3: Cross multiply
88,129.14x = 132,198.58 × 57,161.22 - Step 4: Simplify right side
88,129.14x = 7,556,632,115.07 - Step 5: Solve for x
x = 7,556,632,115.07/88,129.14 - Step 6: Final answer
x = 85,744.99
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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.