Home / 139,507.20-192,517.83-75,844.44

Finding the Fourth Proportional to 139,507.20, 192,517.83 and 75,844.44

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Solution

The fourth proportional to 139,507.20, 192,517.83 and 75,844.44 is: 104,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,507.20 : 192,517.83 = 75,844.44 : x
  2. Step 2: Convert to fraction form
    139,507.20/192,517.83 = 75,844.44/x
  3. Step 3: Cross multiply
    139,507.20x = 192,517.83 × 75,844.44
  4. Step 4: Simplify right side
    139,507.20x = 14,601,407,006.37
  5. Step 5: Solve for x
    x = 14,601,407,006.37/139,507.20
  6. Step 6: Final answer
    x = 104,664.18

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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.