Home / 157,726.67-217,660.82-89,743.43

Finding the Fourth Proportional to 157,726.67, 217,660.82 and 89,743.43

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Solution

The fourth proportional to 157,726.67, 217,660.82 and 89,743.43 is: 123,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,726.67 : 217,660.82 = 89,743.43 : x
  2. Step 2: Convert to fraction form
    157,726.67/217,660.82 = 89,743.43/x
  3. Step 3: Cross multiply
    157,726.67x = 217,660.82 × 89,743.43
  4. Step 4: Simplify right side
    157,726.67x = 19,533,627,026.39
  5. Step 5: Solve for x
    x = 19,533,627,026.39/157,726.67
  6. Step 6: Final answer
    x = 123,844.80

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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.