Finding the Fourth Proportional to 122,587.43, 169,161.44 and 68,861.96
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Solution
The fourth proportional to 122,587.43, 169,161.44 and 68,861.96 is: 95,024.32
Step by Step Solution
- Step 1: Write the proportion equation
122,587.43 : 169,161.44 = 68,861.96 : x - Step 2: Convert to fraction form
122,587.43/169,161.44 = 68,861.96/x - Step 3: Cross multiply
122,587.43x = 169,161.44 × 68,861.96 - Step 4: Simplify right side
122,587.43x = 11,648,787,124.71 - Step 5: Solve for x
x = 11,648,787,124.71/122,587.43 - Step 6: Final answer
x = 95,024.32
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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.