Home / 120,997.73-181,496.19-31,040.35

Finding the Fourth Proportional to 120,997.73, 181,496.19 and 31,040.35

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Solution

The fourth proportional to 120,997.73, 181,496.19 and 31,040.35 is: 46,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,997.73 : 181,496.19 = 31,040.35 : x
  2. Step 2: Convert to fraction form
    120,997.73/181,496.19 = 31,040.35/x
  3. Step 3: Cross multiply
    120,997.73x = 181,496.19 × 31,040.35
  4. Step 4: Simplify right side
    120,997.73x = 5,633,704,923.93
  5. Step 5: Solve for x
    x = 5,633,704,923.93/120,997.73
  6. Step 6: Final answer
    x = 46,560.42

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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.