Home / 140,744.54-194,179.23-80,271.71

Finding the Fourth Proportional to 140,744.54, 194,179.23 and 80,271.71

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Solution

The fourth proportional to 140,744.54, 194,179.23 and 80,271.71 is: 110,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,744.54 : 194,179.23 = 80,271.71 : x
  2. Step 2: Convert to fraction form
    140,744.54/194,179.23 = 80,271.71/x
  3. Step 3: Cross multiply
    140,744.54x = 194,179.23 × 80,271.71
  4. Step 4: Simplify right side
    140,744.54x = 15,587,098,838.58
  5. Step 5: Solve for x
    x = 15,587,098,838.58/140,744.54
  6. Step 6: Final answer
    x = 110,747.45

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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.