Home / 231,097.80-347,003.10-126,121.80

Finding the Fourth Proportional to 231,097.80, 347,003.10 and 126,121.80

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Solution

The fourth proportional to 231,097.80, 347,003.10 and 126,121.80 is: 189,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,097.80 : 347,003.10 = 126,121.80 : x
  2. Step 2: Convert to fraction form
    231,097.80/347,003.10 = 126,121.80/x
  3. Step 3: Cross multiply
    231,097.80x = 347,003.10 × 126,121.80
  4. Step 4: Simplify right side
    231,097.80x = 43,764,655,577.58
  5. Step 5: Solve for x
    x = 43,764,655,577.58/231,097.80
  6. Step 6: Final answer
    x = 189,377.21

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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.