Home / 143,320.20-214,980.82-43,481.24

Finding the Fourth Proportional to 143,320.20, 214,980.82 and 43,481.24

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Solution

The fourth proportional to 143,320.20, 214,980.82 and 43,481.24 is: 65,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,320.20 : 214,980.82 = 43,481.24 : x
  2. Step 2: Convert to fraction form
    143,320.20/214,980.82 = 43,481.24/x
  3. Step 3: Cross multiply
    143,320.20x = 214,980.82 × 43,481.24
  4. Step 4: Simplify right side
    143,320.20x = 9,347,632,629.82
  5. Step 5: Solve for x
    x = 9,347,632,629.82/143,320.20
  6. Step 6: Final answer
    x = 65,222.02

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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.