Home / 188,736.12-260,461.97-108,178.83

Finding the Fourth Proportional to 188,736.12, 260,461.97 and 108,178.83

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Solution

The fourth proportional to 188,736.12, 260,461.97 and 108,178.83 is: 149,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,736.12 : 260,461.97 = 108,178.83 : x
  2. Step 2: Convert to fraction form
    188,736.12/260,461.97 = 108,178.83/x
  3. Step 3: Cross multiply
    188,736.12x = 260,461.97 × 108,178.83
  4. Step 4: Simplify right side
    188,736.12x = 28,176,469,871.79
  5. Step 5: Solve for x
    x = 28,176,469,871.79/188,736.12
  6. Step 6: Final answer
    x = 149,290.29

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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.