Home / 227,074.20-313,338.87-139,845.50

Finding the Fourth Proportional to 227,074.20, 313,338.87 and 139,845.50

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Solution

The fourth proportional to 227,074.20, 313,338.87 and 139,845.50 is: 192,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,074.20 : 313,338.87 = 139,845.50 : x
  2. Step 2: Convert to fraction form
    227,074.20/313,338.87 = 139,845.50/x
  3. Step 3: Cross multiply
    227,074.20x = 313,338.87 × 139,845.50
  4. Step 4: Simplify right side
    227,074.20x = 43,819,030,944.59
  5. Step 5: Solve for x
    x = 43,819,030,944.59/227,074.20
  6. Step 6: Final answer
    x = 192,972.30

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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.