Home / 143,180.20-214,794.60-43,339.60

Finding the Fourth Proportional to 143,180.20, 214,794.60 and 43,339.60

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Solution

The fourth proportional to 143,180.20, 214,794.60 and 43,339.60 is: 65,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.20 : 214,794.60 = 43,339.60 : x
  2. Step 2: Convert to fraction form
    143,180.20/214,794.60 = 43,339.60/x
  3. Step 3: Cross multiply
    143,180.20x = 214,794.60 × 43,339.60
  4. Step 4: Simplify right side
    143,180.20x = 9,309,112,046.16
  5. Step 5: Solve for x
    x = 9,309,112,046.16/143,180.20
  6. Step 6: Final answer
    x = 65,016.76

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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.