Home / 137,876.57-206,815.01-43,107.25

Finding the Fourth Proportional to 137,876.57, 206,815.01 and 43,107.25

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Solution

The fourth proportional to 137,876.57, 206,815.01 and 43,107.25 is: 64,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,876.57 : 206,815.01 = 43,107.25 : x
  2. Step 2: Convert to fraction form
    137,876.57/206,815.01 = 43,107.25/x
  3. Step 3: Cross multiply
    137,876.57x = 206,815.01 × 43,107.25
  4. Step 4: Simplify right side
    137,876.57x = 8,915,226,023.90
  5. Step 5: Solve for x
    x = 8,915,226,023.90/137,876.57
  6. Step 6: Final answer
    x = 64,660.92

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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.