Home / 192,979.38-266,320.01-106,938.15

Finding the Fourth Proportional to 192,979.38, 266,320.01 and 106,938.15

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Solution

The fourth proportional to 192,979.38, 266,320.01 and 106,938.15 is: 147,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,979.38 : 266,320.01 = 106,938.15 : x
  2. Step 2: Convert to fraction form
    192,979.38/266,320.01 = 106,938.15/x
  3. Step 3: Cross multiply
    192,979.38x = 266,320.01 × 106,938.15
  4. Step 4: Simplify right side
    192,979.38x = 28,479,769,177.38
  5. Step 5: Solve for x
    x = 28,479,769,177.38/192,979.38
  6. Step 6: Final answer
    x = 147,579.34

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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.