Home / 181,930.15-272,924.42-76,764.61

Finding the Fourth Proportional to 181,930.15, 272,924.42 and 76,764.61

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Solution

The fourth proportional to 181,930.15, 272,924.42 and 76,764.61 is: 115,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,930.15 : 272,924.42 = 76,764.61 : x
  2. Step 2: Convert to fraction form
    181,930.15/272,924.42 = 76,764.61/x
  3. Step 3: Cross multiply
    181,930.15x = 272,924.42 × 76,764.61
  4. Step 4: Simplify right side
    181,930.15x = 20,950,936,660.78
  5. Step 5: Solve for x
    x = 20,950,936,660.78/181,930.15
  6. Step 6: Final answer
    x = 115,159.23

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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.