Home / 119,726.20-165,223.43-66,013.13

Finding the Fourth Proportional to 119,726.20, 165,223.43 and 66,013.13

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Solution

The fourth proportional to 119,726.20, 165,223.43 and 66,013.13 is: 91,098.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,726.20 : 165,223.43 = 66,013.13 : x
  2. Step 2: Convert to fraction form
    119,726.20/165,223.43 = 66,013.13/x
  3. Step 3: Cross multiply
    119,726.20x = 165,223.43 × 66,013.13
  4. Step 4: Simplify right side
    119,726.20x = 10,906,915,763.64
  5. Step 5: Solve for x
    x = 10,906,915,763.64/119,726.20
  6. Step 6: Final answer
    x = 91,098.82

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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.