Home / 138,381.23-207,559.68-38,534.96

Finding the Fourth Proportional to 138,381.23, 207,559.68 and 38,534.96

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Solution

The fourth proportional to 138,381.23, 207,559.68 and 38,534.96 is: 57,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,381.23 : 207,559.68 = 38,534.96 : x
  2. Step 2: Convert to fraction form
    138,381.23/207,559.68 = 38,534.96/x
  3. Step 3: Cross multiply
    138,381.23x = 207,559.68 × 38,534.96
  4. Step 4: Simplify right side
    138,381.23x = 7,998,302,928.61
  5. Step 5: Solve for x
    x = 7,998,302,928.61/138,381.23
  6. Step 6: Final answer
    x = 57,799.05

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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.