Home / 222,309.58-306,826-131,716.56

Finding the Fourth Proportional to 222,309.58, 306,826 and 131,716.56

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Solution

The fourth proportional to 222,309.58, 306,826 and 131,716.56 is: 181,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309.58 : 306,826 = 131,716.56 : x
  2. Step 2: Convert to fraction form
    222,309.58/306,826 = 131,716.56/x
  3. Step 3: Cross multiply
    222,309.58x = 306,826 × 131,716.56
  4. Step 4: Simplify right side
    222,309.58x = 40,414,065,238.56
  5. Step 5: Solve for x
    x = 40,414,065,238.56/222,309.58
  6. Step 6: Final answer
    x = 181,791.83

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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.