Home / 215,710.24-323,356.38-82,487.92

Finding the Fourth Proportional to 215,710.24, 323,356.38 and 82,487.92

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Solution

The fourth proportional to 215,710.24, 323,356.38 and 82,487.92 is: 123,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,710.24 : 323,356.38 = 82,487.92 : x
  2. Step 2: Convert to fraction form
    215,710.24/323,356.38 = 82,487.92/x
  3. Step 3: Cross multiply
    215,710.24x = 323,356.38 × 82,487.92
  4. Step 4: Simplify right side
    215,710.24x = 26,672,995,204.93
  5. Step 5: Solve for x
    x = 26,672,995,204.93/215,710.24
  6. Step 6: Final answer
    x = 123,651.97

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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.