Home / 422,211.11-633,316.46-106,667.91

Finding the Fourth Proportional to 422,211.11, 633,316.46 and 106,667.91

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Solution

The fourth proportional to 422,211.11, 633,316.46 and 106,667.91 is: 160,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,211.11 : 633,316.46 = 106,667.91 : x
  2. Step 2: Convert to fraction form
    422,211.11/633,316.46 = 106,667.91/x
  3. Step 3: Cross multiply
    422,211.11x = 633,316.46 × 106,667.91
  4. Step 4: Simplify right side
    422,211.11x = 67,554,542,623.46
  5. Step 5: Solve for x
    x = 67,554,542,623.46/422,211.11
  6. Step 6: Final answer
    x = 160,001.81

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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.