Home / 137,785.53-206,678.32-43,023.85

Finding the Fourth Proportional to 137,785.53, 206,678.32 and 43,023.85

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Solution

The fourth proportional to 137,785.53, 206,678.32 and 43,023.85 is: 64,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,785.53 : 206,678.32 = 43,023.85 : x
  2. Step 2: Convert to fraction form
    137,785.53/206,678.32 = 43,023.85/x
  3. Step 3: Cross multiply
    137,785.53x = 206,678.32 × 43,023.85
  4. Step 4: Simplify right side
    137,785.53x = 8,892,096,304.54
  5. Step 5: Solve for x
    x = 8,892,096,304.54/137,785.53
  6. Step 6: Final answer
    x = 64,535.78

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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.