Home / 126,082.56-189,167.04-43,034.88

Finding the Fourth Proportional to 126,082.56, 189,167.04 and 43,034.88

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Solution

The fourth proportional to 126,082.56, 189,167.04 and 43,034.88 is: 64,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,082.56 : 189,167.04 = 43,034.88 : x
  2. Step 2: Convert to fraction form
    126,082.56/189,167.04 = 43,034.88/x
  3. Step 3: Cross multiply
    126,082.56x = 189,167.04 × 43,034.88
  4. Step 4: Simplify right side
    126,082.56x = 8,140,780,866.36
  5. Step 5: Solve for x
    x = 8,140,780,866.36/126,082.56
  6. Step 6: Final answer
    x = 64,567.07

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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.