Home / 215,964.42-323,949.51-75,727.14

Finding the Fourth Proportional to 215,964.42, 323,949.51 and 75,727.14

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Solution

The fourth proportional to 215,964.42, 323,949.51 and 75,727.14 is: 113,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.42 : 323,949.51 = 75,727.14 : x
  2. Step 2: Convert to fraction form
    215,964.42/323,949.51 = 75,727.14/x
  3. Step 3: Cross multiply
    215,964.42x = 323,949.51 × 75,727.14
  4. Step 4: Simplify right side
    215,964.42x = 24,531,769,896.70
  5. Step 5: Solve for x
    x = 24,531,769,896.70/215,964.42
  6. Step 6: Final answer
    x = 113,591.72

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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.