Home / 215,158.35-322,748.04-82,013.79

Finding the Fourth Proportional to 215,158.35, 322,748.04 and 82,013.79

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Solution

The fourth proportional to 215,158.35, 322,748.04 and 82,013.79 is: 123,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,158.35 : 322,748.04 = 82,013.79 : x
  2. Step 2: Convert to fraction form
    215,158.35/322,748.04 = 82,013.79/x
  3. Step 3: Cross multiply
    215,158.35x = 322,748.04 × 82,013.79
  4. Step 4: Simplify right side
    215,158.35x = 26,469,789,975.47
  5. Step 5: Solve for x
    x = 26,469,789,975.47/215,158.35
  6. Step 6: Final answer
    x = 123,024.69

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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.