Home / 139,202.26-192,099.62-75,540.04

Finding the Fourth Proportional to 139,202.26, 192,099.62 and 75,540.04

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Solution

The fourth proportional to 139,202.26, 192,099.62 and 75,540.04 is: 104,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,202.26 : 192,099.62 = 75,540.04 : x
  2. Step 2: Convert to fraction form
    139,202.26/192,099.62 = 75,540.04/x
  3. Step 3: Cross multiply
    139,202.26x = 192,099.62 × 75,540.04
  4. Step 4: Simplify right side
    139,202.26x = 14,511,212,120.84
  5. Step 5: Solve for x
    x = 14,511,212,120.84/139,202.26
  6. Step 6: Final answer
    x = 104,245.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.