Home / 199,262.19-298,560.44-139,991.75

Finding the Fourth Proportional to 199,262.19, 298,560.44 and 139,991.75

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Solution

The fourth proportional to 199,262.19, 298,560.44 and 139,991.75 is: 209,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,262.19 : 298,560.44 = 139,991.75 : x
  2. Step 2: Convert to fraction form
    199,262.19/298,560.44 = 139,991.75/x
  3. Step 3: Cross multiply
    199,262.19x = 298,560.44 × 139,991.75
  4. Step 4: Simplify right side
    199,262.19x = 41,795,998,476.37
  5. Step 5: Solve for x
    x = 41,795,998,476.37/199,262.19
  6. Step 6: Final answer
    x = 209,753.78

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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.