Home / 84,102.27-126,150.66-34,167.60

Finding the Fourth Proportional to 84,102.27, 126,150.66 and 34,167.60

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Solution

The fourth proportional to 84,102.27, 126,150.66 and 34,167.60 is: 51,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,102.27 : 126,150.66 = 34,167.60 : x
  2. Step 2: Convert to fraction form
    84,102.27/126,150.66 = 34,167.60/x
  3. Step 3: Cross multiply
    84,102.27x = 126,150.66 × 34,167.60
  4. Step 4: Simplify right side
    84,102.27x = 4,310,265,290.62
  5. Step 5: Solve for x
    x = 4,310,265,290.62/84,102.27
  6. Step 6: Final answer
    x = 51,250.28

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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.