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Finding the Fourth Proportional to 143,249.58, 214,468.38 and 119,039.49

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Solution

The fourth proportional to 143,249.58, 214,468.38 and 119,039.49 is: 178,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,249.58 : 214,468.38 = 119,039.49 : x
  2. Step 2: Convert to fraction form
    143,249.58/214,468.38 = 119,039.49/x
  3. Step 3: Cross multiply
    143,249.58x = 214,468.38 × 119,039.49
  4. Step 4: Simplify right side
    143,249.58x = 25,530,206,576.33
  5. Step 5: Solve for x
    x = 25,530,206,576.33/143,249.58
  6. Step 6: Final answer
    x = 178,221.86

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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.