Finding the Fourth Proportional to 115,338.26, 159,166.92 and 67,591.65
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Solution
The fourth proportional to 115,338.26, 159,166.92 and 67,591.65 is: 93,276.55
Step by Step Solution
- Step 1: Write the proportion equation
115,338.26 : 159,166.92 = 67,591.65 : x - Step 2: Convert to fraction form
115,338.26/159,166.92 = 67,591.65/x - Step 3: Cross multiply
115,338.26x = 159,166.92 × 67,591.65 - Step 4: Simplify right side
115,338.26x = 10,758,354,748.22 - Step 5: Solve for x
x = 10,758,354,748.22/115,338.26 - Step 6: Final answer
x = 93,276.55
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1.5x scale
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.