Home / 126,125.28-189,182.44-31,353.44

Finding the Fourth Proportional to 126,125.28, 189,182.44 and 31,353.44

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Solution

The fourth proportional to 126,125.28, 189,182.44 and 31,353.44 is: 47,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.28 : 189,182.44 = 31,353.44 : x
  2. Step 2: Convert to fraction form
    126,125.28/189,182.44 = 31,353.44/x
  3. Step 3: Cross multiply
    126,125.28x = 189,182.44 × 31,353.44
  4. Step 4: Simplify right side
    126,125.28x = 5,931,520,281.59
  5. Step 5: Solve for x
    x = 5,931,520,281.59/126,125.28
  6. Step 6: Final answer
    x = 47,028.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.