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Finding the Fourth Proportional to 144,635.56, 199,604.58 and 80,969.56

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Solution

The fourth proportional to 144,635.56, 199,604.58 and 80,969.56 is: 111,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,635.56 : 199,604.58 = 80,969.56 : x
  2. Step 2: Convert to fraction form
    144,635.56/199,604.58 = 80,969.56/x
  3. Step 3: Cross multiply
    144,635.56x = 199,604.58 × 80,969.56
  4. Step 4: Simplify right side
    144,635.56x = 16,161,895,016.58
  5. Step 5: Solve for x
    x = 16,161,895,016.58/144,635.56
  6. Step 6: Final answer
    x = 111,742.20

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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.