Home / 140,972.04-194,523.48-80,546.60

Finding the Fourth Proportional to 140,972.04, 194,523.48 and 80,546.60

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Solution

The fourth proportional to 140,972.04, 194,523.48 and 80,546.60 is: 111,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,972.04 : 194,523.48 = 80,546.60 : x
  2. Step 2: Convert to fraction form
    140,972.04/194,523.48 = 80,546.60/x
  3. Step 3: Cross multiply
    140,972.04x = 194,523.48 × 80,546.60
  4. Step 4: Simplify right side
    140,972.04x = 15,668,203,961.55
  5. Step 5: Solve for x
    x = 15,668,203,961.55/140,972.04
  6. Step 6: Final answer
    x = 111,144.05

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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.