Home / 181,529.38-272,092.29-137,011.78

Finding the Fourth Proportional to 181,529.38, 272,092.29 and 137,011.78

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Solution

The fourth proportional to 181,529.38, 272,092.29 and 137,011.78 is: 205,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,529.38 : 272,092.29 = 137,011.78 : x
  2. Step 2: Convert to fraction form
    181,529.38/272,092.29 = 137,011.78/x
  3. Step 3: Cross multiply
    181,529.38x = 272,092.29 × 137,011.78
  4. Step 4: Simplify right side
    181,529.38x = 37,279,848,977.18
  5. Step 5: Solve for x
    x = 37,279,848,977.18/181,529.38
  6. Step 6: Final answer
    x = 205,365.37

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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.