Home / 143,176.10-214,764.15-43,351.70

Finding the Fourth Proportional to 143,176.10, 214,764.15 and 43,351.70

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Solution

The fourth proportional to 143,176.10, 214,764.15 and 43,351.70 is: 65,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,176.10 : 214,764.15 = 43,351.70 : x
  2. Step 2: Convert to fraction form
    143,176.10/214,764.15 = 43,351.70/x
  3. Step 3: Cross multiply
    143,176.10x = 214,764.15 × 43,351.70
  4. Step 4: Simplify right side
    143,176.10x = 9,310,391,001.56
  5. Step 5: Solve for x
    x = 9,310,391,001.56/143,176.10
  6. Step 6: Final answer
    x = 65,027.55

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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.