Finding the Fourth Proportional to 107,290.26, 148,057.74 and 59,542.38
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Solution
The fourth proportional to 107,290.26, 148,057.74 and 59,542.38 is: 82,166.92
Step by Step Solution
- Step 1: Write the proportion equation
107,290.26 : 148,057.74 = 59,542.38 : x - Step 2: Convert to fraction form
107,290.26/148,057.74 = 59,542.38/x - Step 3: Cross multiply
107,290.26x = 148,057.74 × 59,542.38 - Step 4: Simplify right side
107,290.26x = 8,815,710,217.02 - Step 5: Solve for x
x = 8,815,710,217.02/107,290.26 - Step 6: Final answer
x = 82,166.92
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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.