Home / 91,531.32-126,248.00-84,001.97

Finding the Fourth Proportional to 91,531.32, 126,248.00 and 84,001.97

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Solution

The fourth proportional to 91,531.32, 126,248.00 and 84,001.97 is: 115,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,531.32 : 126,248.00 = 84,001.97 : x
  2. Step 2: Convert to fraction form
    91,531.32/126,248.00 = 84,001.97/x
  3. Step 3: Cross multiply
    91,531.32x = 126,248.00 × 84,001.97
  4. Step 4: Simplify right side
    91,531.32x = 10,605,079,657.31
  5. Step 5: Solve for x
    x = 10,605,079,657.31/91,531.32
  6. Step 6: Final answer
    x = 115,862.85

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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.