Home / 108,546.15-162,538.81-74,915.97

Finding the Fourth Proportional to 108,546.15, 162,538.81 and 74,915.97

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Solution

The fourth proportional to 108,546.15, 162,538.81 and 74,915.97 is: 112,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,546.15 : 162,538.81 = 74,915.97 : x
  2. Step 2: Convert to fraction form
    108,546.15/162,538.81 = 74,915.97/x
  3. Step 3: Cross multiply
    108,546.15x = 162,538.81 × 74,915.97
  4. Step 4: Simplify right side
    108,546.15x = 12,176,752,613.80
  5. Step 5: Solve for x
    x = 12,176,752,613.80/108,546.15
  6. Step 6: Final answer
    x = 112,180.42

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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.