Home / 204,249.87-306,383.04-71,143.58

Finding the Fourth Proportional to 204,249.87, 306,383.04 and 71,143.58

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Solution

The fourth proportional to 204,249.87, 306,383.04 and 71,143.58 is: 106,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,249.87 : 306,383.04 = 71,143.58 : x
  2. Step 2: Convert to fraction form
    204,249.87/306,383.04 = 71,143.58/x
  3. Step 3: Cross multiply
    204,249.87x = 306,383.04 × 71,143.58
  4. Step 4: Simplify right side
    204,249.87x = 21,797,187,082.84
  5. Step 5: Solve for x
    x = 21,797,187,082.84/204,249.87
  6. Step 6: Final answer
    x = 106,718.24

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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.