Home / 143,169.84-214,757.28-43,331.04

Finding the Fourth Proportional to 143,169.84, 214,757.28 and 43,331.04

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Solution

The fourth proportional to 143,169.84, 214,757.28 and 43,331.04 is: 64,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,169.84 : 214,757.28 = 43,331.04 : x
  2. Step 2: Convert to fraction form
    143,169.84/214,757.28 = 43,331.04/x
  3. Step 3: Cross multiply
    143,169.84x = 214,757.28 × 43,331.04
  4. Step 4: Simplify right side
    143,169.84x = 9,305,656,289.97
  5. Step 5: Solve for x
    x = 9,305,656,289.97/143,169.84
  6. Step 6: Final answer
    x = 64,997.32

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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.