Home / 157,540.43-217,397.13-89,547.95

Finding the Fourth Proportional to 157,540.43, 217,397.13 and 89,547.95

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Solution

The fourth proportional to 157,540.43, 217,397.13 and 89,547.95 is: 123,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,540.43 : 217,397.13 = 89,547.95 : x
  2. Step 2: Convert to fraction form
    157,540.43/217,397.13 = 89,547.95/x
  3. Step 3: Cross multiply
    157,540.43x = 217,397.13 × 89,547.95
  4. Step 4: Simplify right side
    157,540.43x = 19,467,467,327.38
  5. Step 5: Solve for x
    x = 19,467,467,327.38/157,540.43
  6. Step 6: Final answer
    x = 123,571.25

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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.