Home / 235,451.20-352,869.60-109,076.80

Finding the Fourth Proportional to 235,451.20, 352,869.60 and 109,076.80

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Solution

The fourth proportional to 235,451.20, 352,869.60 and 109,076.80 is: 163,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,451.20 : 352,869.60 = 109,076.80 : x
  2. Step 2: Convert to fraction form
    235,451.20/352,869.60 = 109,076.80/x
  3. Step 3: Cross multiply
    235,451.20x = 352,869.60 × 109,076.80
  4. Step 4: Simplify right side
    235,451.20x = 38,489,886,785.28
  5. Step 5: Solve for x
    x = 38,489,886,785.28/235,451.20
  6. Step 6: Final answer
    x = 163,472.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.