Home / 231,997.26-320,178.69-130,040.04

Finding the Fourth Proportional to 231,997.26, 320,178.69 and 130,040.04

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Solution

The fourth proportional to 231,997.26, 320,178.69 and 130,040.04 is: 179,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,997.26 : 320,178.69 = 130,040.04 : x
  2. Step 2: Convert to fraction form
    231,997.26/320,178.69 = 130,040.04/x
  3. Step 3: Cross multiply
    231,997.26x = 320,178.69 × 130,040.04
  4. Step 4: Simplify right side
    231,997.26x = 41,636,049,654.75
  5. Step 5: Solve for x
    x = 41,636,049,654.75/231,997.26
  6. Step 6: Final answer
    x = 179,467.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.