Home / 215,747.52-323,611.20-75,537.60

Finding the Fourth Proportional to 215,747.52, 323,611.20 and 75,537.60

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Solution

The fourth proportional to 215,747.52, 323,611.20 and 75,537.60 is: 113,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,747.52 : 323,611.20 = 75,537.60 : x
  2. Step 2: Convert to fraction form
    215,747.52/323,611.20 = 75,537.60/x
  3. Step 3: Cross multiply
    215,747.52x = 323,611.20 × 75,537.60
  4. Step 4: Simplify right side
    215,747.52x = 24,444,813,381.12
  5. Step 5: Solve for x
    x = 24,444,813,381.12/215,747.52
  6. Step 6: Final answer
    x = 113,302.87

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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.