Home / 276,147.72-413,720.96-126,513.18

Finding the Fourth Proportional to 276,147.72, 413,720.96 and 126,513.18

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Solution

The fourth proportional to 276,147.72, 413,720.96 and 126,513.18 is: 189,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,147.72 : 413,720.96 = 126,513.18 : x
  2. Step 2: Convert to fraction form
    276,147.72/413,720.96 = 126,513.18/x
  3. Step 3: Cross multiply
    276,147.72x = 413,720.96 × 126,513.18
  4. Step 4: Simplify right side
    276,147.72x = 52,341,153,649.69
  5. Step 5: Solve for x
    x = 52,341,153,649.69/276,147.72
  6. Step 6: Final answer
    x = 189,540.42

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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.