Home / 126,439.38-174,484.26-69,076.80

Finding the Fourth Proportional to 126,439.38, 174,484.26 and 69,076.80

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Solution

The fourth proportional to 126,439.38, 174,484.26 and 69,076.80 is: 95,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,439.38 : 174,484.26 = 69,076.80 : x
  2. Step 2: Convert to fraction form
    126,439.38/174,484.26 = 69,076.80/x
  3. Step 3: Cross multiply
    126,439.38x = 174,484.26 × 69,076.80
  4. Step 4: Simplify right side
    126,439.38x = 12,052,814,331.17
  5. Step 5: Solve for x
    x = 12,052,814,331.17/126,439.38
  6. Step 6: Final answer
    x = 95,324.85

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1.5x scale

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.