Home / 188,120.44-282,179.88-68,149.30

Finding the Fourth Proportional to 188,120.44, 282,179.88 and 68,149.30

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Solution

The fourth proportional to 188,120.44, 282,179.88 and 68,149.30 is: 102,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,120.44 : 282,179.88 = 68,149.30 : x
  2. Step 2: Convert to fraction form
    188,120.44/282,179.88 = 68,149.30/x
  3. Step 3: Cross multiply
    188,120.44x = 282,179.88 × 68,149.30
  4. Step 4: Simplify right side
    188,120.44x = 19,230,361,296.08
  5. Step 5: Solve for x
    x = 19,230,361,296.08/188,120.44
  6. Step 6: Final answer
    x = 102,223.67

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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.