Home / 215,440.31-323,308.08-75,198.92

Finding the Fourth Proportional to 215,440.31, 323,308.08 and 75,198.92

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Solution

The fourth proportional to 215,440.31, 323,308.08 and 75,198.92 is: 112,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,440.31 : 323,308.08 = 75,198.92 : x
  2. Step 2: Convert to fraction form
    215,440.31/323,308.08 = 75,198.92/x
  3. Step 3: Cross multiply
    215,440.31x = 323,308.08 × 75,198.92
  4. Step 4: Simplify right side
    215,440.31x = 24,312,418,443.27
  5. Step 5: Solve for x
    x = 24,312,418,443.27/215,440.31
  6. Step 6: Final answer
    x = 112,849.90

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1.5x scale

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.