Home / 248,245.12-342,568.08-135,067.92

Finding the Fourth Proportional to 248,245.12, 342,568.08 and 135,067.92

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Solution

The fourth proportional to 248,245.12, 342,568.08 and 135,067.92 is: 186,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,245.12 : 342,568.08 = 135,067.92 : x
  2. Step 2: Convert to fraction form
    248,245.12/342,568.08 = 135,067.92/x
  3. Step 3: Cross multiply
    248,245.12x = 342,568.08 × 135,067.92
  4. Step 4: Simplify right side
    248,245.12x = 46,269,958,023.99
  5. Step 5: Solve for x
    x = 46,269,958,023.99/248,245.12
  6. Step 6: Final answer
    x = 186,388.19

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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.