Home / 92,310.26-138,725.10-54,877.02

Finding the Fourth Proportional to 92,310.26, 138,725.10 and 54,877.02

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Solution

The fourth proportional to 92,310.26, 138,725.10 and 54,877.02 is: 82,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,310.26 : 138,725.10 = 54,877.02 : x
  2. Step 2: Convert to fraction form
    92,310.26/138,725.10 = 54,877.02/x
  3. Step 3: Cross multiply
    92,310.26x = 138,725.10 × 54,877.02
  4. Step 4: Simplify right side
    92,310.26x = 7,612,820,087.20
  5. Step 5: Solve for x
    x = 7,612,820,087.20/92,310.26
  6. Step 6: Final answer
    x = 82,469.92

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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.