Home / 126,481.20-189,592.20-73,863.60

Finding the Fourth Proportional to 126,481.20, 189,592.20 and 73,863.60

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Solution

The fourth proportional to 126,481.20, 189,592.20 and 73,863.60 is: 110,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.20 : 189,592.20 = 73,863.60 : x
  2. Step 2: Convert to fraction form
    126,481.20/189,592.20 = 73,863.60/x
  3. Step 3: Cross multiply
    126,481.20x = 189,592.20 × 73,863.60
  4. Step 4: Simplify right side
    126,481.20x = 14,003,962,423.92
  5. Step 5: Solve for x
    x = 14,003,962,423.92/126,481.20
  6. Step 6: Final answer
    x = 110,719.72

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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.