Home / 126,318.38-174,313.24-71,865.42

Finding the Fourth Proportional to 126,318.38, 174,313.24 and 71,865.42

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Solution

The fourth proportional to 126,318.38, 174,313.24 and 71,865.42 is: 99,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.38 : 174,313.24 = 71,865.42 : x
  2. Step 2: Convert to fraction form
    126,318.38/174,313.24 = 71,865.42/x
  3. Step 3: Cross multiply
    126,318.38x = 174,313.24 × 71,865.42
  4. Step 4: Simplify right side
    126,318.38x = 12,527,094,204.16
  5. Step 5: Solve for x
    x = 12,527,094,204.16/126,318.38
  6. Step 6: Final answer
    x = 99,170.80

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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.