Home / 215,318.15-323,049.67-95,358.47

Finding the Fourth Proportional to 215,318.15, 323,049.67 and 95,358.47

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Solution

The fourth proportional to 215,318.15, 323,049.67 and 95,358.47 is: 143,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,318.15 : 323,049.67 = 95,358.47 : x
  2. Step 2: Convert to fraction form
    215,318.15/323,049.67 = 95,358.47/x
  3. Step 3: Cross multiply
    215,318.15x = 323,049.67 × 95,358.47
  4. Step 4: Simplify right side
    215,318.15x = 30,805,520,411.56
  5. Step 5: Solve for x
    x = 30,805,520,411.56/215,318.15
  6. Step 6: Final answer
    x = 143,069.78

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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.