Home / 126,331.39-174,337.64-68,970.79

Finding the Fourth Proportional to 126,331.39, 174,337.64 and 68,970.79

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Solution

The fourth proportional to 126,331.39, 174,337.64 and 68,970.79 is: 95,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.39 : 174,337.64 = 68,970.79 : x
  2. Step 2: Convert to fraction form
    126,331.39/174,337.64 = 68,970.79/x
  3. Step 3: Cross multiply
    126,331.39x = 174,337.64 × 68,970.79
  4. Step 4: Simplify right side
    126,331.39x = 12,024,204,757.54
  5. Step 5: Solve for x
    x = 12,024,204,757.54/126,331.39
  6. Step 6: Final answer
    x = 95,179.87

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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.