Home / 138,041.13-207,066.30-38,192.97

Finding the Fourth Proportional to 138,041.13, 207,066.30 and 38,192.97

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Solution

The fourth proportional to 138,041.13, 207,066.30 and 38,192.97 is: 57,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,041.13 : 207,066.30 = 38,192.97 : x
  2. Step 2: Convert to fraction form
    138,041.13/207,066.30 = 38,192.97/x
  3. Step 3: Cross multiply
    138,041.13x = 207,066.30 × 38,192.97
  4. Step 4: Simplify right side
    138,041.13x = 7,908,476,983.91
  5. Step 5: Solve for x
    x = 7,908,476,983.91/138,041.13
  6. Step 6: Final answer
    x = 57,290.73

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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.