Home / 215,390.73-323,233.72-75,149.36

Finding the Fourth Proportional to 215,390.73, 323,233.72 and 75,149.36

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Solution

The fourth proportional to 215,390.73, 323,233.72 and 75,149.36 is: 112,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,390.73 : 323,233.72 = 75,149.36 : x
  2. Step 2: Convert to fraction form
    215,390.73/323,233.72 = 75,149.36/x
  3. Step 3: Cross multiply
    215,390.73x = 323,233.72 × 75,149.36
  4. Step 4: Simplify right side
    215,390.73x = 24,290,807,188.42
  5. Step 5: Solve for x
    x = 24,290,807,188.42/215,390.73
  6. Step 6: Final answer
    x = 112,775.55

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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.