Home / 126,327.20-174,331.64-69,738.57

Finding the Fourth Proportional to 126,327.20, 174,331.64 and 69,738.57

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Solution

The fourth proportional to 126,327.20, 174,331.64 and 69,738.57 is: 96,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,327.20 : 174,331.64 = 69,738.57 : x
  2. Step 2: Convert to fraction form
    126,327.20/174,331.64 = 69,738.57/x
  3. Step 3: Cross multiply
    126,327.20x = 174,331.64 × 69,738.57
  4. Step 4: Simplify right side
    126,327.20x = 12,157,639,453.70
  5. Step 5: Solve for x
    x = 12,157,639,453.70/126,327.20
  6. Step 6: Final answer
    x = 96,239.29

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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.