Home / 110,736.20-166,104.30-75,744.20

Finding the Fourth Proportional to 110,736.20, 166,104.30 and 75,744.20

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Solution

The fourth proportional to 110,736.20, 166,104.30 and 75,744.20 is: 113,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.20 : 166,104.30 = 75,744.20 : x
  2. Step 2: Convert to fraction form
    110,736.20/166,104.30 = 75,744.20/x
  3. Step 3: Cross multiply
    110,736.20x = 166,104.30 × 75,744.20
  4. Step 4: Simplify right side
    110,736.20x = 12,581,437,320.06
  5. Step 5: Solve for x
    x = 12,581,437,320.06/110,736.20
  6. Step 6: Final answer
    x = 113,616.30

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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.