Finding the Fourth Proportional to 125,446.50, 173,116.26 and 68,861.52
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Solution
The fourth proportional to 125,446.50, 173,116.26 and 68,861.52 is: 95,028.95
Step by Step Solution
- Step 1: Write the proportion equation
125,446.50 : 173,116.26 = 68,861.52 : x - Step 2: Convert to fraction form
125,446.50/173,116.26 = 68,861.52/x - Step 3: Cross multiply
125,446.50x = 173,116.26 × 68,861.52 - Step 4: Simplify right side
125,446.50x = 11,921,048,800.32 - Step 5: Solve for x
x = 11,921,048,800.32/125,446.50 - Step 6: Final answer
x = 95,028.95
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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.