Home / 80,104.14-120,164.42-30,226.21

Finding the Fourth Proportional to 80,104.14, 120,164.42 and 30,226.21

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Solution

The fourth proportional to 80,104.14, 120,164.42 and 30,226.21 is: 45,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,104.14 : 120,164.42 = 30,226.21 : x
  2. Step 2: Convert to fraction form
    80,104.14/120,164.42 = 30,226.21/x
  3. Step 3: Cross multiply
    80,104.14x = 120,164.42 × 30,226.21
  4. Step 4: Simplify right side
    80,104.14x = 3,632,114,768.60
  5. Step 5: Solve for x
    x = 3,632,114,768.60/80,104.14
  6. Step 6: Final answer
    x = 45,342.41

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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.