Home / 188,148.74-282,150.80-68,170.43

Finding the Fourth Proportional to 188,148.74, 282,150.80 and 68,170.43

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Solution

The fourth proportional to 188,148.74, 282,150.80 and 68,170.43 is: 102,229.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,148.74 : 282,150.80 = 68,170.43 : x
  2. Step 2: Convert to fraction form
    188,148.74/282,150.80 = 68,170.43/x
  3. Step 3: Cross multiply
    188,148.74x = 282,150.80 × 68,170.43
  4. Step 4: Simplify right side
    188,148.74x = 19,234,339,609.24
  5. Step 5: Solve for x
    x = 19,234,339,609.24/188,148.74
  6. Step 6: Final answer
    x = 102,229.44

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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.