Home / 126,348.38-189,523.19-51,469.24

Finding the Fourth Proportional to 126,348.38, 189,523.19 and 51,469.24

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Solution

The fourth proportional to 126,348.38, 189,523.19 and 51,469.24 is: 77,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.38 : 189,523.19 = 51,469.24 : x
  2. Step 2: Convert to fraction form
    126,348.38/189,523.19 = 51,469.24/x
  3. Step 3: Cross multiply
    126,348.38x = 189,523.19 × 51,469.24
  4. Step 4: Simplify right side
    126,348.38x = 9,754,614,768.14
  5. Step 5: Solve for x
    x = 9,754,614,768.14/126,348.38
  6. Step 6: Final answer
    x = 77,204.12

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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.