Home / 204,186.09-306,311.82-71,104.17

Finding the Fourth Proportional to 204,186.09, 306,311.82 and 71,104.17

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Solution

The fourth proportional to 204,186.09, 306,311.82 and 71,104.17 is: 106,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,186.09 : 306,311.82 = 71,104.17 : x
  2. Step 2: Convert to fraction form
    204,186.09/306,311.82 = 71,104.17/x
  3. Step 3: Cross multiply
    204,186.09x = 306,311.82 × 71,104.17
  4. Step 4: Simplify right side
    204,186.09x = 21,780,047,722.29
  5. Step 5: Solve for x
    x = 21,780,047,722.29/204,186.09
  6. Step 6: Final answer
    x = 106,667.64

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1.5x scale

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.