Home / 140,786.97-211,178.21-34,171.80

Finding the Fourth Proportional to 140,786.97, 211,178.21 and 34,171.80

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Solution

The fourth proportional to 140,786.97, 211,178.21 and 34,171.80 is: 51,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,786.97 : 211,178.21 = 34,171.80 : x
  2. Step 2: Convert to fraction form
    140,786.97/211,178.21 = 34,171.80/x
  3. Step 3: Cross multiply
    140,786.97x = 211,178.21 × 34,171.80
  4. Step 4: Simplify right side
    140,786.97x = 7,216,340,348.40
  5. Step 5: Solve for x
    x = 7,216,340,348.40/140,786.97
  6. Step 6: Final answer
    x = 51,257.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.