Home / 188,012.66-281,991.24-54,857.18

Finding the Fourth Proportional to 188,012.66, 281,991.24 and 54,857.18

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Solution

The fourth proportional to 188,012.66, 281,991.24 and 54,857.18 is: 82,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,012.66 : 281,991.24 = 54,857.18 : x
  2. Step 2: Convert to fraction form
    188,012.66/281,991.24 = 54,857.18/x
  3. Step 3: Cross multiply
    188,012.66x = 281,991.24 × 54,857.18
  4. Step 4: Simplify right side
    188,012.66x = 15,469,244,211.10
  5. Step 5: Solve for x
    x = 15,469,244,211.10/188,012.66
  6. Step 6: Final answer
    x = 82,277.67

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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.