Home / 148,147.94-204,442.66-80,163.42

Finding the Fourth Proportional to 148,147.94, 204,442.66 and 80,163.42

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Solution

The fourth proportional to 148,147.94, 204,442.66 and 80,163.42 is: 110,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,147.94 : 204,442.66 = 80,163.42 : x
  2. Step 2: Convert to fraction form
    148,147.94/204,442.66 = 80,163.42/x
  3. Step 3: Cross multiply
    148,147.94x = 204,442.66 × 80,163.42
  4. Step 4: Simplify right side
    148,147.94x = 16,388,822,819.50
  5. Step 5: Solve for x
    x = 16,388,822,819.50/148,147.94
  6. Step 6: Final answer
    x = 110,624.71

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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.