Home / 137,917.54-206,892.51-49,183.66

Finding the Fourth Proportional to 137,917.54, 206,892.51 and 49,183.66

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Solution

The fourth proportional to 137,917.54, 206,892.51 and 49,183.66 is: 73,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,917.54 : 206,892.51 = 49,183.66 : x
  2. Step 2: Convert to fraction form
    137,917.54/206,892.51 = 49,183.66/x
  3. Step 3: Cross multiply
    137,917.54x = 206,892.51 × 49,183.66
  4. Step 4: Simplify right side
    137,917.54x = 10,175,730,868.39
  5. Step 5: Solve for x
    x = 10,175,730,868.39/137,917.54
  6. Step 6: Final answer
    x = 73,781.27

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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.