Home / 167,718.38-231,455.57-91,241.78

Finding the Fourth Proportional to 167,718.38, 231,455.57 and 91,241.78

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Solution

The fourth proportional to 167,718.38, 231,455.57 and 91,241.78 is: 125,915.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,718.38 : 231,455.57 = 91,241.78 : x
  2. Step 2: Convert to fraction form
    167,718.38/231,455.57 = 91,241.78/x
  3. Step 3: Cross multiply
    167,718.38x = 231,455.57 × 91,241.78
  4. Step 4: Simplify right side
    167,718.38x = 21,118,416,584.23
  5. Step 5: Solve for x
    x = 21,118,416,584.23/167,718.38
  6. Step 6: Final answer
    x = 125,915.94

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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.