Home / 87,531.97-131,297.96-69,919.33

Finding the Fourth Proportional to 87,531.97, 131,297.96 and 69,919.33

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Solution

The fourth proportional to 87,531.97, 131,297.96 and 69,919.33 is: 104,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,531.97 : 131,297.96 = 69,919.33 : x
  2. Step 2: Convert to fraction form
    87,531.97/131,297.96 = 69,919.33/x
  3. Step 3: Cross multiply
    87,531.97x = 131,297.96 × 69,919.33
  4. Step 4: Simplify right side
    87,531.97x = 9,180,265,393.57
  5. Step 5: Solve for x
    x = 9,180,265,393.57/87,531.97
  6. Step 6: Final answer
    x = 104,879.00

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Similar ratio
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1.5x scale

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.