Home / 87,176.48-120,074.38-66,994.73

Finding the Fourth Proportional to 87,176.48, 120,074.38 and 66,994.73

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Solution

The fourth proportional to 87,176.48, 120,074.38 and 66,994.73 is: 92,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,176.48 : 120,074.38 = 66,994.73 : x
  2. Step 2: Convert to fraction form
    87,176.48/120,074.38 = 66,994.73/x
  3. Step 3: Cross multiply
    87,176.48x = 120,074.38 × 66,994.73
  4. Step 4: Simplify right side
    87,176.48x = 8,044,350,067.65
  5. Step 5: Solve for x
    x = 8,044,350,067.65/87,176.48
  6. Step 6: Final answer
    x = 92,276.61

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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.