Home / 180,327.45-270,515.79-75,121.82

Finding the Fourth Proportional to 180,327.45, 270,515.79 and 75,121.82

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Solution

The fourth proportional to 180,327.45, 270,515.79 and 75,121.82 is: 112,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,327.45 : 270,515.79 = 75,121.82 : x
  2. Step 2: Convert to fraction form
    180,327.45/270,515.79 = 75,121.82/x
  3. Step 3: Cross multiply
    180,327.45x = 270,515.79 × 75,121.82
  4. Step 4: Simplify right side
    180,327.45x = 20,321,636,755.35
  5. Step 5: Solve for x
    x = 20,321,636,755.35/180,327.45
  6. Step 6: Final answer
    x = 112,692.97

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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.