Home / 157,560.31-217,451.61-89,587.47

Finding the Fourth Proportional to 157,560.31, 217,451.61 and 89,587.47

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Solution

The fourth proportional to 157,560.31, 217,451.61 and 89,587.47 is: 123,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,560.31 : 217,451.61 = 89,587.47 : x
  2. Step 2: Convert to fraction form
    157,560.31/217,451.61 = 89,587.47/x
  3. Step 3: Cross multiply
    157,560.31x = 217,451.61 × 89,587.47
  4. Step 4: Simplify right side
    157,560.31x = 19,480,939,587.33
  5. Step 5: Solve for x
    x = 19,480,939,587.33/157,560.31
  6. Step 6: Final answer
    x = 123,641.16

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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.