Home / 84,149.44-126,239.04-28,732.48

Finding the Fourth Proportional to 84,149.44, 126,239.04 and 28,732.48

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Solution

The fourth proportional to 84,149.44, 126,239.04 and 28,732.48 is: 43,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,149.44 : 126,239.04 = 28,732.48 : x
  2. Step 2: Convert to fraction form
    84,149.44/126,239.04 = 28,732.48/x
  3. Step 3: Cross multiply
    84,149.44x = 126,239.04 × 28,732.48
  4. Step 4: Simplify right side
    84,149.44x = 3,627,160,692.02
  5. Step 5: Solve for x
    x = 3,627,160,692.02/84,149.44
  6. Step 6: Final answer
    x = 43,103.80

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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.