Home / 181,526.38-272,087.79-137,008.78

Finding the Fourth Proportional to 181,526.38, 272,087.79 and 137,008.78

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Solution

The fourth proportional to 181,526.38, 272,087.79 and 137,008.78 is: 205,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,526.38 : 272,087.79 = 137,008.78 : x
  2. Step 2: Convert to fraction form
    181,526.38/272,087.79 = 137,008.78/x
  3. Step 3: Cross multiply
    181,526.38x = 272,087.79 × 137,008.78
  4. Step 4: Simplify right side
    181,526.38x = 37,278,416,160.80
  5. Step 5: Solve for x
    x = 37,278,416,160.80/181,526.38
  6. Step 6: Final answer
    x = 205,360.87

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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.