Home / 189,727.78-261,824.25-104,844.10

Finding the Fourth Proportional to 189,727.78, 261,824.25 and 104,844.10

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Solution

The fourth proportional to 189,727.78, 261,824.25 and 104,844.10 is: 144,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,727.78 : 261,824.25 = 104,844.10 : x
  2. Step 2: Convert to fraction form
    189,727.78/261,824.25 = 104,844.10/x
  3. Step 3: Cross multiply
    189,727.78x = 261,824.25 × 104,844.10
  4. Step 4: Simplify right side
    189,727.78x = 27,450,727,849.43
  5. Step 5: Solve for x
    x = 27,450,727,849.43/189,727.78
  6. Step 6: Final answer
    x = 144,684.81

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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.