Home / 87,906.22-131,858.35-21,346.29

Finding the Fourth Proportional to 87,906.22, 131,858.35 and 21,346.29

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Solution

The fourth proportional to 87,906.22, 131,858.35 and 21,346.29 is: 32,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,906.22 : 131,858.35 = 21,346.29 : x
  2. Step 2: Convert to fraction form
    87,906.22/131,858.35 = 21,346.29/x
  3. Step 3: Cross multiply
    87,906.22x = 131,858.35 × 21,346.29
  4. Step 4: Simplify right side
    87,906.22x = 2,814,686,524.66
  5. Step 5: Solve for x
    x = 2,814,686,524.66/87,906.22
  6. Step 6: Final answer
    x = 32,019.20

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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.