Home / 144,286.89-199,115.48-80,624.73

Finding the Fourth Proportional to 144,286.89, 199,115.48 and 80,624.73

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Solution

The fourth proportional to 144,286.89, 199,115.48 and 80,624.73 is: 111,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,286.89 : 199,115.48 = 80,624.73 : x
  2. Step 2: Convert to fraction form
    144,286.89/199,115.48 = 80,624.73/x
  3. Step 3: Cross multiply
    144,286.89x = 199,115.48 × 80,624.73
  4. Step 4: Simplify right side
    144,286.89x = 16,053,631,813.82
  5. Step 5: Solve for x
    x = 16,053,631,813.82/144,286.89
  6. Step 6: Final answer
    x = 111,261.89

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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.