Home / 126,253.85-174,230.21-80,931.80

Finding the Fourth Proportional to 126,253.85, 174,230.21 and 80,931.80

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Solution

The fourth proportional to 126,253.85, 174,230.21 and 80,931.80 is: 111,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,253.85 : 174,230.21 = 80,931.80 : x
  2. Step 2: Convert to fraction form
    126,253.85/174,230.21 = 80,931.80/x
  3. Step 3: Cross multiply
    126,253.85x = 174,230.21 × 80,931.80
  4. Step 4: Simplify right side
    126,253.85x = 14,100,765,147.58
  5. Step 5: Solve for x
    x = 14,100,765,147.58/126,253.85
  6. Step 6: Final answer
    x = 111,685.83

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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.