Home / 188,073.28-259,559.38-107,485.42

Finding the Fourth Proportional to 188,073.28, 259,559.38 and 107,485.42

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Solution

The fourth proportional to 188,073.28, 259,559.38 and 107,485.42 is: 148,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,073.28 : 259,559.38 = 107,485.42 : x
  2. Step 2: Convert to fraction form
    188,073.28/259,559.38 = 107,485.42/x
  3. Step 3: Cross multiply
    188,073.28x = 259,559.38 × 107,485.42
  4. Step 4: Simplify right side
    188,073.28x = 27,898,848,974.24
  5. Step 5: Solve for x
    x = 27,898,848,974.24/188,073.28
  6. Step 6: Final answer
    x = 148,340.31

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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.