Home / 126,324.55-189,527.91-84,375.01

Finding the Fourth Proportional to 126,324.55, 189,527.91 and 84,375.01

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Solution

The fourth proportional to 126,324.55, 189,527.91 and 84,375.01 is: 126,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324.55 : 189,527.91 = 84,375.01 : x
  2. Step 2: Convert to fraction form
    126,324.55/189,527.91 = 84,375.01/x
  3. Step 3: Cross multiply
    126,324.55x = 189,527.91 × 84,375.01
  4. Step 4: Simplify right side
    126,324.55x = 15,991,419,301.53
  5. Step 5: Solve for x
    x = 15,991,419,301.53/126,324.55
  6. Step 6: Final answer
    x = 126,589.96

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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.