Home / 192,808.20-266,072.40-107,928.30

Finding the Fourth Proportional to 192,808.20, 266,072.40 and 107,928.30

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Solution

The fourth proportional to 192,808.20, 266,072.40 and 107,928.30 is: 148,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,808.20 : 266,072.40 = 107,928.30 : x
  2. Step 2: Convert to fraction form
    192,808.20/266,072.40 = 107,928.30/x
  3. Step 3: Cross multiply
    192,808.20x = 266,072.40 × 107,928.30
  4. Step 4: Simplify right side
    192,808.20x = 28,716,741,808.92
  5. Step 5: Solve for x
    x = 28,716,741,808.92/192,808.20
  6. Step 6: Final answer
    x = 148,939.42

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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.