Finding the Fourth Proportional to 115,750.80, 173,626.20 and 68,317.20
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Solution
The fourth proportional to 115,750.80, 173,626.20 and 68,317.20 is: 102,475.80
Step by Step Solution
- Step 1: Write the proportion equation
115,750.80 : 173,626.20 = 68,317.20 : x - Step 2: Convert to fraction form
115,750.80/173,626.20 = 68,317.20/x - Step 3: Cross multiply
115,750.80x = 173,626.20 × 68,317.20 - Step 4: Simplify right side
115,750.80x = 11,861,655,830.64 - Step 5: Solve for x
x = 11,861,655,830.64/115,750.80 - Step 6: Final answer
x = 102,475.80
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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.