Home / 140,717.71-194,186.68-80,287.26

Finding the Fourth Proportional to 140,717.71, 194,186.68 and 80,287.26

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Solution

The fourth proportional to 140,717.71, 194,186.68 and 80,287.26 is: 110,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,717.71 : 194,186.68 = 80,287.26 : x
  2. Step 2: Convert to fraction form
    140,717.71/194,186.68 = 80,287.26/x
  3. Step 3: Cross multiply
    140,717.71x = 194,186.68 × 80,287.26
  4. Step 4: Simplify right side
    140,717.71x = 15,590,715,494.76
  5. Step 5: Solve for x
    x = 15,590,715,494.76/140,717.71
  6. Step 6: Final answer
    x = 110,794.27

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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.