Home / 181,724.64-272,791.44-76,632

Finding the Fourth Proportional to 181,724.64, 272,791.44 and 76,632

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Solution

The fourth proportional to 181,724.64, 272,791.44 and 76,632 is: 115,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,724.64 : 272,791.44 = 76,632 : x
  2. Step 2: Convert to fraction form
    181,724.64/272,791.44 = 76,632/x
  3. Step 3: Cross multiply
    181,724.64x = 272,791.44 × 76,632
  4. Step 4: Simplify right side
    181,724.64x = 20,904,553,630.08
  5. Step 5: Solve for x
    x = 20,904,553,630.08/181,724.64
  6. Step 6: Final answer
    x = 115,034.23

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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.