Home / 143,070.18-214,627.86-43,217.97

Finding the Fourth Proportional to 143,070.18, 214,627.86 and 43,217.97

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Solution

The fourth proportional to 143,070.18, 214,627.86 and 43,217.97 is: 64,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,070.18 : 214,627.86 = 43,217.97 : x
  2. Step 2: Convert to fraction form
    143,070.18/214,627.86 = 43,217.97/x
  3. Step 3: Cross multiply
    143,070.18x = 214,627.86 × 43,217.97
  4. Step 4: Simplify right side
    143,070.18x = 9,275,780,414.64
  5. Step 5: Solve for x
    x = 9,275,780,414.64/143,070.18
  6. Step 6: Final answer
    x = 64,833.78

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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.