Home / 157,522.73-217,381.73-89,540.15

Finding the Fourth Proportional to 157,522.73, 217,381.73 and 89,540.15

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Solution

The fourth proportional to 157,522.73, 217,381.73 and 89,540.15 is: 123,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,522.73 : 217,381.73 = 89,540.15 : x
  2. Step 2: Convert to fraction form
    157,522.73/217,381.73 = 89,540.15/x
  3. Step 3: Cross multiply
    157,522.73x = 217,381.73 × 89,540.15
  4. Step 4: Simplify right side
    157,522.73x = 19,464,391,176.85
  5. Step 5: Solve for x
    x = 19,464,391,176.85/157,522.73
  6. Step 6: Final answer
    x = 123,565.61

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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.