Home / 126,049.16-189,101.84-54,983.36

Finding the Fourth Proportional to 126,049.16, 189,101.84 and 54,983.36

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Solution

The fourth proportional to 126,049.16, 189,101.84 and 54,983.36 is: 82,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,049.16 : 189,101.84 = 54,983.36 : x
  2. Step 2: Convert to fraction form
    126,049.16/189,101.84 = 54,983.36/x
  3. Step 3: Cross multiply
    126,049.16x = 189,101.84 × 54,983.36
  4. Step 4: Simplify right side
    126,049.16x = 10,397,453,324.96
  5. Step 5: Solve for x
    x = 10,397,453,324.96/126,049.16
  6. Step 6: Final answer
    x = 82,487.29

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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.