Home / 143,939.70-215,890.65-44,109.90

Finding the Fourth Proportional to 143,939.70, 215,890.65 and 44,109.90

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Solution

The fourth proportional to 143,939.70, 215,890.65 and 44,109.90 is: 66,159.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,939.70 : 215,890.65 = 44,109.90 : x
  2. Step 2: Convert to fraction form
    143,939.70/215,890.65 = 44,109.90/x
  3. Step 3: Cross multiply
    143,939.70x = 215,890.65 × 44,109.90
  4. Step 4: Simplify right side
    143,939.70x = 9,522,914,982.44
  5. Step 5: Solve for x
    x = 9,522,914,982.44/143,939.70
  6. Step 6: Final answer
    x = 66,159.06

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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.