Home / 189,190.44-261,084.81-104,310.54

Finding the Fourth Proportional to 189,190.44, 261,084.81 and 104,310.54

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Solution

The fourth proportional to 189,190.44, 261,084.81 and 104,310.54 is: 143,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,190.44 : 261,084.81 = 104,310.54 : x
  2. Step 2: Convert to fraction form
    189,190.44/261,084.81 = 104,310.54/x
  3. Step 3: Cross multiply
    189,190.44x = 261,084.81 × 104,310.54
  4. Step 4: Simplify right side
    189,190.44x = 27,233,897,516.90
  5. Step 5: Solve for x
    x = 27,233,897,516.90/189,190.44
  6. Step 6: Final answer
    x = 143,949.65

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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.