Home / 181,528.38-272,090.79-137,010.78

Finding the Fourth Proportional to 181,528.38, 272,090.79 and 137,010.78

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Solution

The fourth proportional to 181,528.38, 272,090.79 and 137,010.78 is: 205,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,528.38 : 272,090.79 = 137,010.78 : x
  2. Step 2: Convert to fraction form
    181,528.38/272,090.79 = 137,010.78/x
  3. Step 3: Cross multiply
    181,528.38x = 272,090.79 × 137,010.78
  4. Step 4: Simplify right side
    181,528.38x = 37,279,371,368.72
  5. Step 5: Solve for x
    x = 37,279,371,368.72/181,528.38
  6. Step 6: Final answer
    x = 205,363.87

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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.