Finding the Fourth Proportional to 125,449.20, 173,114.64 and 68,861.88
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Solution
The fourth proportional to 125,449.20, 173,114.64 and 68,861.88 is: 95,026.51
Step by Step Solution
- Step 1: Write the proportion equation
125,449.20 : 173,114.64 = 68,861.88 : x - Step 2: Convert to fraction form
125,449.20/173,114.64 = 68,861.88/x - Step 3: Cross multiply
125,449.20x = 173,114.64 × 68,861.88 - Step 4: Simplify right side
125,449.20x = 11,920,999,565.92 - Step 5: Solve for x
x = 11,920,999,565.92/125,449.20 - Step 6: Final answer
x = 95,026.51
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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.