Home / 192,979.82-266,320.64-106,938.56

Finding the Fourth Proportional to 192,979.82, 266,320.64 and 106,938.56

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Solution

The fourth proportional to 192,979.82, 266,320.64 and 106,938.56 is: 147,579.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,979.82 : 266,320.64 = 106,938.56 : x
  2. Step 2: Convert to fraction form
    192,979.82/266,320.64 = 106,938.56/x
  3. Step 3: Cross multiply
    192,979.82x = 266,320.64 × 106,938.56
  4. Step 4: Simplify right side
    192,979.82x = 28,479,945,739.88
  5. Step 5: Solve for x
    x = 28,479,945,739.88/192,979.82
  6. Step 6: Final answer
    x = 147,579.92

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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.