Home / 217,546.35-300,209.29-120,744.55

Finding the Fourth Proportional to 217,546.35, 300,209.29 and 120,744.55

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Solution

The fourth proportional to 217,546.35, 300,209.29 and 120,744.55 is: 166,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,546.35 : 300,209.29 = 120,744.55 : x
  2. Step 2: Convert to fraction form
    217,546.35/300,209.29 = 120,744.55/x
  3. Step 3: Cross multiply
    217,546.35x = 300,209.29 × 120,744.55
  4. Step 4: Simplify right side
    217,546.35x = 36,248,634,855.93
  5. Step 5: Solve for x
    x = 36,248,634,855.93/217,546.35
  6. Step 6: Final answer
    x = 166,624.88

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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.