Home / 143,046.53-214,711.04-107,383.85

Finding the Fourth Proportional to 143,046.53, 214,711.04 and 107,383.85

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Solution

The fourth proportional to 143,046.53, 214,711.04 and 107,383.85 is: 161,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,046.53 : 214,711.04 = 107,383.85 : x
  2. Step 2: Convert to fraction form
    143,046.53/214,711.04 = 107,383.85/x
  3. Step 3: Cross multiply
    143,046.53x = 214,711.04 × 107,383.85
  4. Step 4: Simplify right side
    143,046.53x = 23,056,498,112.70
  5. Step 5: Solve for x
    x = 23,056,498,112.70/143,046.53
  6. Step 6: Final answer
    x = 161,181.81

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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.