Home / 138,395.43-207,593.34-38,555.91

Finding the Fourth Proportional to 138,395.43, 207,593.34 and 38,555.91

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Solution

The fourth proportional to 138,395.43, 207,593.34 and 38,555.91 is: 57,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,395.43 : 207,593.34 = 38,555.91 : x
  2. Step 2: Convert to fraction form
    138,395.43/207,593.34 = 38,555.91/x
  3. Step 3: Cross multiply
    138,395.43x = 207,593.34 × 38,555.91
  4. Step 4: Simplify right side
    138,395.43x = 8,003,950,133.64
  5. Step 5: Solve for x
    x = 8,003,950,133.64/138,395.43
  6. Step 6: Final answer
    x = 57,833.92

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1.5x scale

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.