Home / 126,749.12-174,727.43-96,481.71

Finding the Fourth Proportional to 126,749.12, 174,727.43 and 96,481.71

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Solution

The fourth proportional to 126,749.12, 174,727.43 and 96,481.71 is: 133,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.12 : 174,727.43 = 96,481.71 : x
  2. Step 2: Convert to fraction form
    126,749.12/174,727.43 = 96,481.71/x
  3. Step 3: Cross multiply
    126,749.12x = 174,727.43 × 96,481.71
  4. Step 4: Simplify right side
    126,749.12x = 16,858,000,747.90
  5. Step 5: Solve for x
    x = 16,858,000,747.90/126,749.12
  6. Step 6: Final answer
    x = 133,002.91

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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.