Home / 215,865.54-323,798.92-75,591.36

Finding the Fourth Proportional to 215,865.54, 323,798.92 and 75,591.36

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Solution

The fourth proportional to 215,865.54, 323,798.92 and 75,591.36 is: 113,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,865.54 : 323,798.92 = 75,591.36 : x
  2. Step 2: Convert to fraction form
    215,865.54/323,798.92 = 75,591.36/x
  3. Step 3: Cross multiply
    215,865.54x = 323,798.92 × 75,591.36
  4. Step 4: Simplify right side
    215,865.54x = 24,476,400,540.35
  5. Step 5: Solve for x
    x = 24,476,400,540.35/215,865.54
  6. Step 6: Final answer
    x = 113,387.25

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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.