Home / 103,144.44-142,331.92-60,697.20

Finding the Fourth Proportional to 103,144.44, 142,331.92 and 60,697.20

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Solution

The fourth proportional to 103,144.44, 142,331.92 and 60,697.20 is: 83,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,144.44 : 142,331.92 = 60,697.20 : x
  2. Step 2: Convert to fraction form
    103,144.44/142,331.92 = 60,697.20/x
  3. Step 3: Cross multiply
    103,144.44x = 142,331.92 × 60,697.20
  4. Step 4: Simplify right side
    103,144.44x = 8,639,149,014.62
  5. Step 5: Solve for x
    x = 8,639,149,014.62/103,144.44
  6. Step 6: Final answer
    x = 83,757.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.