Home / 126,349.43-189,523.71-51,452.91

Finding the Fourth Proportional to 126,349.43, 189,523.71 and 51,452.91

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Solution

The fourth proportional to 126,349.43, 189,523.71 and 51,452.91 is: 77,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,349.43 : 189,523.71 = 51,452.91 : x
  2. Step 2: Convert to fraction form
    126,349.43/189,523.71 = 51,452.91/x
  3. Step 3: Cross multiply
    126,349.43x = 189,523.71 × 51,452.91
  4. Step 4: Simplify right side
    126,349.43x = 9,751,546,393.50
  5. Step 5: Solve for x
    x = 9,751,546,393.50/126,349.43
  6. Step 6: Final answer
    x = 77,179.19

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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.