Home / 205,245.52-283,286.04-120,389.92

Finding the Fourth Proportional to 205,245.52, 283,286.04 and 120,389.92

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Solution

The fourth proportional to 205,245.52, 283,286.04 and 120,389.92 is: 166,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,245.52 : 283,286.04 = 120,389.92 : x
  2. Step 2: Convert to fraction form
    205,245.52/283,286.04 = 120,389.92/x
  3. Step 3: Cross multiply
    205,245.52x = 283,286.04 × 120,389.92
  4. Step 4: Simplify right side
    205,245.52x = 34,104,783,692.72
  5. Step 5: Solve for x
    x = 34,104,783,692.72/205,245.52
  6. Step 6: Final answer
    x = 166,165.79

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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.