Home / 126,406.22-189,620.67-32,912.78

Finding the Fourth Proportional to 126,406.22, 189,620.67 and 32,912.78

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Solution

The fourth proportional to 126,406.22, 189,620.67 and 32,912.78 is: 49,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,406.22 : 189,620.67 = 32,912.78 : x
  2. Step 2: Convert to fraction form
    126,406.22/189,620.67 = 32,912.78/x
  3. Step 3: Cross multiply
    126,406.22x = 189,620.67 × 32,912.78
  4. Step 4: Simplify right side
    126,406.22x = 6,240,943,395.16
  5. Step 5: Solve for x
    x = 6,240,943,395.16/126,406.22
  6. Step 6: Final answer
    x = 49,372.12

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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.