Home / 168,076.42-231,939.54-91,593.96

Finding the Fourth Proportional to 168,076.42, 231,939.54 and 91,593.96

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Solution

The fourth proportional to 168,076.42, 231,939.54 and 91,593.96 is: 126,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.42 : 231,939.54 = 91,593.96 : x
  2. Step 2: Convert to fraction form
    168,076.42/231,939.54 = 91,593.96/x
  3. Step 3: Cross multiply
    168,076.42x = 231,939.54 × 91,593.96
  4. Step 4: Simplify right side
    168,076.42x = 21,244,260,949.18
  5. Step 5: Solve for x
    x = 21,244,260,949.18/168,076.42
  6. Step 6: Final answer
    x = 126,396.44

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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.