Home / 84,297.40-126,452.62-25,128.52

Finding the Fourth Proportional to 84,297.40, 126,452.62 and 25,128.52

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Solution

The fourth proportional to 84,297.40, 126,452.62 and 25,128.52 is: 37,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,297.40 : 126,452.62 = 25,128.52 : x
  2. Step 2: Convert to fraction form
    84,297.40/126,452.62 = 25,128.52/x
  3. Step 3: Cross multiply
    84,297.40x = 126,452.62 × 25,128.52
  4. Step 4: Simplify right side
    84,297.40x = 3,177,567,190.72
  5. Step 5: Solve for x
    x = 3,177,567,190.72/84,297.40
  6. Step 6: Final answer
    x = 37,694.72

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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.