Home / 90,380.03-135,569.35-27,199.88

Finding the Fourth Proportional to 90,380.03, 135,569.35 and 27,199.88

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Solution

The fourth proportional to 90,380.03, 135,569.35 and 27,199.88 is: 40,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,380.03 : 135,569.35 = 27,199.88 : x
  2. Step 2: Convert to fraction form
    90,380.03/135,569.35 = 27,199.88/x
  3. Step 3: Cross multiply
    90,380.03x = 135,569.35 × 27,199.88
  4. Step 4: Simplify right side
    90,380.03x = 3,687,470,051.68
  5. Step 5: Solve for x
    x = 3,687,470,051.68/90,380.03
  6. Step 6: Final answer
    x = 40,799.61

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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.