Home / 126,049.66-189,102.58-54,983.86

Finding the Fourth Proportional to 126,049.66, 189,102.58 and 54,983.86

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Solution

The fourth proportional to 126,049.66, 189,102.58 and 54,983.86 is: 82,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,049.66 : 189,102.58 = 54,983.86 : x
  2. Step 2: Convert to fraction form
    126,049.66/189,102.58 = 54,983.86/x
  3. Step 3: Cross multiply
    126,049.66x = 189,102.58 × 54,983.86
  4. Step 4: Simplify right side
    126,049.66x = 10,397,589,784.36
  5. Step 5: Solve for x
    x = 10,397,589,784.36/126,049.66
  6. Step 6: Final answer
    x = 82,488.04

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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.