Home / 167,680.54-231,297.96-103,160.80

Finding the Fourth Proportional to 167,680.54, 231,297.96 and 103,160.80

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Solution

The fourth proportional to 167,680.54, 231,297.96 and 103,160.80 is: 142,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,680.54 : 231,297.96 = 103,160.80 : x
  2. Step 2: Convert to fraction form
    167,680.54/231,297.96 = 103,160.80/x
  3. Step 3: Cross multiply
    167,680.54x = 231,297.96 × 103,160.80
  4. Step 4: Simplify right side
    167,680.54x = 23,860,882,591.97
  5. Step 5: Solve for x
    x = 23,860,882,591.97/167,680.54
  6. Step 6: Final answer
    x = 142,299.65

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1.5x scale

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.