Home / 80,270.22-120,405.29-27,675.57

Finding the Fourth Proportional to 80,270.22, 120,405.29 and 27,675.57

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Solution

The fourth proportional to 80,270.22, 120,405.29 and 27,675.57 is: 41,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.22 : 120,405.29 = 27,675.57 : x
  2. Step 2: Convert to fraction form
    80,270.22/120,405.29 = 27,675.57/x
  3. Step 3: Cross multiply
    80,270.22x = 120,405.29 × 27,675.57
  4. Step 4: Simplify right side
    80,270.22x = 3,332,284,893.39
  5. Step 5: Solve for x
    x = 3,332,284,893.39/80,270.22
  6. Step 6: Final answer
    x = 41,513.34

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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.