Home / 111,918.96-167,947.56-45,359.64

Finding the Fourth Proportional to 111,918.96, 167,947.56 and 45,359.64

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Solution

The fourth proportional to 111,918.96, 167,947.56 and 45,359.64 is: 68,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,918.96 : 167,947.56 = 45,359.64 : x
  2. Step 2: Convert to fraction form
    111,918.96/167,947.56 = 45,359.64/x
  3. Step 3: Cross multiply
    111,918.96x = 167,947.56 × 45,359.64
  4. Step 4: Simplify right side
    111,918.96x = 7,618,040,860.48
  5. Step 5: Solve for x
    x = 7,618,040,860.48/111,918.96
  6. Step 6: Final answer
    x = 68,067.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.