Home / 231,078.40-318,833.52-134,224.71

Finding the Fourth Proportional to 231,078.40, 318,833.52 and 134,224.71

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Solution

The fourth proportional to 231,078.40, 318,833.52 and 134,224.71 is: 185,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,078.40 : 318,833.52 = 134,224.71 : x
  2. Step 2: Convert to fraction form
    231,078.40/318,833.52 = 134,224.71/x
  3. Step 3: Cross multiply
    231,078.40x = 318,833.52 × 134,224.71
  4. Step 4: Simplify right side
    231,078.40x = 42,795,337,452.56
  5. Step 5: Solve for x
    x = 42,795,337,452.56/231,078.40
  6. Step 6: Final answer
    x = 185,198.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.