Home / 213,183.95-319,607.24-80,049.38

Finding the Fourth Proportional to 213,183.95, 319,607.24 and 80,049.38

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Solution

The fourth proportional to 213,183.95, 319,607.24 and 80,049.38 is: 120,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,183.95 : 319,607.24 = 80,049.38 : x
  2. Step 2: Convert to fraction form
    213,183.95/319,607.24 = 80,049.38/x
  3. Step 3: Cross multiply
    213,183.95x = 319,607.24 × 80,049.38
  4. Step 4: Simplify right side
    213,183.95x = 25,584,361,405.51
  5. Step 5: Solve for x
    x = 25,584,361,405.51/213,183.95
  6. Step 6: Final answer
    x = 120,010.73

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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.