Home / 140,918.60-194,469.26-80,497.24

Finding the Fourth Proportional to 140,918.60, 194,469.26 and 80,497.24

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Solution

The fourth proportional to 140,918.60, 194,469.26 and 80,497.24 is: 111,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,918.60 : 194,469.26 = 80,497.24 : x
  2. Step 2: Convert to fraction form
    140,918.60/194,469.26 = 80,497.24/x
  3. Step 3: Cross multiply
    140,918.60x = 194,469.26 × 80,497.24
  4. Step 4: Simplify right side
    140,918.60x = 15,654,238,694.84
  5. Step 5: Solve for x
    x = 15,654,238,694.84/140,918.60
  6. Step 6: Final answer
    x = 111,087.10

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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.