Home / 168,091.40-231,989.46-96,493.88

Finding the Fourth Proportional to 168,091.40, 231,989.46 and 96,493.88

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Solution

The fourth proportional to 168,091.40, 231,989.46 and 96,493.88 is: 133,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.40 : 231,989.46 = 96,493.88 : x
  2. Step 2: Convert to fraction form
    168,091.40/231,989.46 = 96,493.88/x
  3. Step 3: Cross multiply
    168,091.40x = 231,989.46 × 96,493.88
  4. Step 4: Simplify right side
    168,091.40x = 22,385,563,114.50
  5. Step 5: Solve for x
    x = 22,385,563,114.50/168,091.40
  6. Step 6: Final answer
    x = 133,174.95

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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.