Home / 215,844.06-323,581.46-82,819.79

Finding the Fourth Proportional to 215,844.06, 323,581.46 and 82,819.79

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Solution

The fourth proportional to 215,844.06, 323,581.46 and 82,819.79 is: 124,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,844.06 : 323,581.46 = 82,819.79 : x
  2. Step 2: Convert to fraction form
    215,844.06/323,581.46 = 82,819.79/x
  3. Step 3: Cross multiply
    215,844.06x = 323,581.46 × 82,819.79
  4. Step 4: Simplify right side
    215,844.06x = 26,798,946,533.09
  5. Step 5: Solve for x
    x = 26,798,946,533.09/215,844.06
  6. Step 6: Final answer
    x = 124,158.83

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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.