Home / 215,383.92-323,214.12-104,515.44

Finding the Fourth Proportional to 215,383.92, 323,214.12 and 104,515.44

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Solution

The fourth proportional to 215,383.92, 323,214.12 and 104,515.44 is: 156,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,383.92 : 323,214.12 = 104,515.44 : x
  2. Step 2: Convert to fraction form
    215,383.92/323,214.12 = 104,515.44/x
  3. Step 3: Cross multiply
    215,383.92x = 323,214.12 × 104,515.44
  4. Step 4: Simplify right side
    215,383.92x = 33,780,865,966.01
  5. Step 5: Solve for x
    x = 33,780,865,966.01/215,383.92
  6. Step 6: Final answer
    x = 156,840.24

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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.