Home / 189,141.33-261,016.83-104,261.43

Finding the Fourth Proportional to 189,141.33, 261,016.83 and 104,261.43

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Solution

The fourth proportional to 189,141.33, 261,016.83 and 104,261.43 is: 143,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,141.33 : 261,016.83 = 104,261.43 : x
  2. Step 2: Convert to fraction form
    189,141.33/261,016.83 = 104,261.43/x
  3. Step 3: Cross multiply
    189,141.33x = 261,016.83 × 104,261.43
  4. Step 4: Simplify right side
    189,141.33x = 27,213,987,949.87
  5. Step 5: Solve for x
    x = 27,213,987,949.87/189,141.33
  6. Step 6: Final answer
    x = 143,881.76

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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.