Home / 181,979.72-273,122.94-76,874.12

Finding the Fourth Proportional to 181,979.72, 273,122.94 and 76,874.12

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Solution

The fourth proportional to 181,979.72, 273,122.94 and 76,874.12 is: 115,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,979.72 : 273,122.94 = 76,874.12 : x
  2. Step 2: Convert to fraction form
    181,979.72/273,122.94 = 76,874.12/x
  3. Step 3: Cross multiply
    181,979.72x = 273,122.94 × 76,874.12
  4. Step 4: Simplify right side
    181,979.72x = 20,996,085,664.31
  5. Step 5: Solve for x
    x = 20,996,085,664.31/181,979.72
  6. Step 6: Final answer
    x = 115,375.96

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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.