Home / 126,469.16-189,779.68-50,554.14

Finding the Fourth Proportional to 126,469.16, 189,779.68 and 50,554.14

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Solution

The fourth proportional to 126,469.16, 189,779.68 and 50,554.14 is: 75,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,469.16 : 189,779.68 = 50,554.14 : x
  2. Step 2: Convert to fraction form
    126,469.16/189,779.68 = 50,554.14/x
  3. Step 3: Cross multiply
    126,469.16x = 189,779.68 × 50,554.14
  4. Step 4: Simplify right side
    126,469.16x = 9,594,149,073.09
  5. Step 5: Solve for x
    x = 9,594,149,073.09/126,469.16
  6. Step 6: Final answer
    x = 75,861.57

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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.