Home / 215,843.13-323,580.04-82,818.85

Finding the Fourth Proportional to 215,843.13, 323,580.04 and 82,818.85

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Solution

The fourth proportional to 215,843.13, 323,580.04 and 82,818.85 is: 124,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,843.13 : 323,580.04 = 82,818.85 : x
  2. Step 2: Convert to fraction form
    215,843.13/323,580.04 = 82,818.85/x
  3. Step 3: Cross multiply
    215,843.13x = 323,580.04 × 82,818.85
  4. Step 4: Simplify right side
    215,843.13x = 26,798,526,795.75
  5. Step 5: Solve for x
    x = 26,798,526,795.75/215,843.13
  6. Step 6: Final answer
    x = 124,157.42

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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.