Home / 103,997.88-143,517.48-56,251.56

Finding the Fourth Proportional to 103,997.88, 143,517.48 and 56,251.56

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Solution

The fourth proportional to 103,997.88, 143,517.48 and 56,251.56 is: 77,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,997.88 : 143,517.48 = 56,251.56 : x
  2. Step 2: Convert to fraction form
    103,997.88/143,517.48 = 56,251.56/x
  3. Step 3: Cross multiply
    103,997.88x = 143,517.48 × 56,251.56
  4. Step 4: Simplify right side
    103,997.88x = 8,073,082,137.27
  5. Step 5: Solve for x
    x = 8,073,082,137.27/103,997.88
  6. Step 6: Final answer
    x = 77,627.37

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1.5x scale

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.