Home / 188,766.82-283,149.94-129,422.58

Finding the Fourth Proportional to 188,766.82, 283,149.94 and 129,422.58

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Solution

The fourth proportional to 188,766.82, 283,149.94 and 129,422.58 is: 194,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,766.82 : 283,149.94 = 129,422.58 : x
  2. Step 2: Convert to fraction form
    188,766.82/283,149.94 = 129,422.58/x
  3. Step 3: Cross multiply
    188,766.82x = 283,149.94 × 129,422.58
  4. Step 4: Simplify right side
    188,766.82x = 36,645,995,761.65
  5. Step 5: Solve for x
    x = 36,645,995,761.65/188,766.82
  6. Step 6: Final answer
    x = 194,133.67

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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.