Home / 137,565.43-206,377.85-42,793.81

Finding the Fourth Proportional to 137,565.43, 206,377.85 and 42,793.81

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Solution

The fourth proportional to 137,565.43, 206,377.85 and 42,793.81 is: 64,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,565.43 : 206,377.85 = 42,793.81 : x
  2. Step 2: Convert to fraction form
    137,565.43/206,377.85 = 42,793.81/x
  3. Step 3: Cross multiply
    137,565.43x = 206,377.85 × 42,793.81
  4. Step 4: Simplify right side
    137,565.43x = 8,831,694,501.11
  5. Step 5: Solve for x
    x = 8,831,694,501.11/137,565.43
  6. Step 6: Final answer
    x = 64,199.96

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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.