Home / 140,747.49-194,183.27-80,274.64

Finding the Fourth Proportional to 140,747.49, 194,183.27 and 80,274.64

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Solution

The fourth proportional to 140,747.49, 194,183.27 and 80,274.64 is: 110,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,747.49 : 194,183.27 = 80,274.64 : x
  2. Step 2: Convert to fraction form
    140,747.49/194,183.27 = 80,274.64/x
  3. Step 3: Cross multiply
    140,747.49x = 194,183.27 × 80,274.64
  4. Step 4: Simplify right side
    140,747.49x = 15,587,992,093.27
  5. Step 5: Solve for x
    x = 15,587,992,093.27/140,747.49
  6. Step 6: Final answer
    x = 110,751.47

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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.