Finding the Fourth Proportional to 125,449.29, 173,114.82 and 68,861.88
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Solution
The fourth proportional to 125,449.29, 173,114.82 and 68,861.88 is: 95,026.54
Step by Step Solution
- Step 1: Write the proportion equation
125,449.29 : 173,114.82 = 68,861.88 : x - Step 2: Convert to fraction form
125,449.29/173,114.82 = 68,861.88/x - Step 3: Cross multiply
125,449.29x = 173,114.82 × 68,861.88 - Step 4: Simplify right side
125,449.29x = 11,921,011,961.06 - Step 5: Solve for x
x = 11,921,011,961.06/125,449.29 - Step 6: Final answer
x = 95,026.54
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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.