Home / 95,451.98-131,821.72-71,540.78

Finding the Fourth Proportional to 95,451.98, 131,821.72 and 71,540.78

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Solution

The fourth proportional to 95,451.98, 131,821.72 and 71,540.78 is: 98,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,451.98 : 131,821.72 = 71,540.78 : x
  2. Step 2: Convert to fraction form
    95,451.98/131,821.72 = 71,540.78/x
  3. Step 3: Cross multiply
    95,451.98x = 131,821.72 × 71,540.78
  4. Step 4: Simplify right side
    95,451.98x = 9,430,628,669.74
  5. Step 5: Solve for x
    x = 9,430,628,669.74/95,451.98
  6. Step 6: Final answer
    x = 98,799.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.