Home / 155,991.03-215,267.66-88,022.41

Finding the Fourth Proportional to 155,991.03, 215,267.66 and 88,022.41

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Solution

The fourth proportional to 155,991.03, 215,267.66 and 88,022.41 is: 121,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,991.03 : 215,267.66 = 88,022.41 : x
  2. Step 2: Convert to fraction form
    155,991.03/215,267.66 = 88,022.41/x
  3. Step 3: Cross multiply
    155,991.03x = 215,267.66 × 88,022.41
  4. Step 4: Simplify right side
    155,991.03x = 18,948,377,910.15
  5. Step 5: Solve for x
    x = 18,948,377,910.15/155,991.03
  6. Step 6: Final answer
    x = 121,470.95

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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.