Home / 215,844.06-323,911.53-75,603.90

Finding the Fourth Proportional to 215,844.06, 323,911.53 and 75,603.90

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Solution

The fourth proportional to 215,844.06, 323,911.53 and 75,603.90 is: 113,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844.06 : 323,911.53 = 75,603.90 : x
  2. Step 2: Convert to fraction form
    215,844.06/323,911.53 = 75,603.90/x
  3. Step 3: Cross multiply
    215,844.06x = 323,911.53 × 75,603.90
  4. Step 4: Simplify right side
    215,844.06x = 24,488,974,922.97
  5. Step 5: Solve for x
    x = 24,488,974,922.97/215,844.06
  6. Step 6: Final answer
    x = 113,456.79

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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.