Home / 167,860.16-231,652.68-91,382.04

Finding the Fourth Proportional to 167,860.16, 231,652.68 and 91,382.04

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Solution

The fourth proportional to 167,860.16, 231,652.68 and 91,382.04 is: 126,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,860.16 : 231,652.68 = 91,382.04 : x
  2. Step 2: Convert to fraction form
    167,860.16/231,652.68 = 91,382.04/x
  3. Step 3: Cross multiply
    167,860.16x = 231,652.68 × 91,382.04
  4. Step 4: Simplify right side
    167,860.16x = 21,168,894,469.87
  5. Step 5: Solve for x
    x = 21,168,894,469.87/167,860.16
  6. Step 6: Final answer
    x = 126,110.30

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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.