Home / 215,819.13-297,831.70-125,229.04

Finding the Fourth Proportional to 215,819.13, 297,831.70 and 125,229.04

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Solution

The fourth proportional to 215,819.13, 297,831.70 and 125,229.04 is: 172,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,819.13 : 297,831.70 = 125,229.04 : x
  2. Step 2: Convert to fraction form
    215,819.13/297,831.70 = 125,229.04/x
  3. Step 3: Cross multiply
    215,819.13x = 297,831.70 × 125,229.04
  4. Step 4: Simplify right side
    215,819.13x = 37,297,177,284.53
  5. Step 5: Solve for x
    x = 37,297,177,284.53/215,819.13
  6. Step 6: Final answer
    x = 172,816.82

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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.