Home / 198,850.25-274,367.87-112,788.67

Finding the Fourth Proportional to 198,850.25, 274,367.87 and 112,788.67

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Solution

The fourth proportional to 198,850.25, 274,367.87 and 112,788.67 is: 155,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,850.25 : 274,367.87 = 112,788.67 : x
  2. Step 2: Convert to fraction form
    198,850.25/274,367.87 = 112,788.67/x
  3. Step 3: Cross multiply
    198,850.25x = 274,367.87 × 112,788.67
  4. Step 4: Simplify right side
    198,850.25x = 30,945,587,148.03
  5. Step 5: Solve for x
    x = 30,945,587,148.03/198,850.25
  6. Step 6: Final answer
    x = 155,622.57

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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.