Home / 138,167.23-207,250.85-38,327.43

Finding the Fourth Proportional to 138,167.23, 207,250.85 and 38,327.43

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Solution

The fourth proportional to 138,167.23, 207,250.85 and 38,327.43 is: 57,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,167.23 : 207,250.85 = 38,327.43 : x
  2. Step 2: Convert to fraction form
    138,167.23/207,250.85 = 38,327.43/x
  3. Step 3: Cross multiply
    138,167.23x = 207,250.85 × 38,327.43
  4. Step 4: Simplify right side
    138,167.23x = 7,943,392,445.82
  5. Step 5: Solve for x
    x = 7,943,392,445.82/138,167.23
  6. Step 6: Final answer
    x = 57,491.15

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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.