Home / 189,379.31-261,344.34-104,496.39

Finding the Fourth Proportional to 189,379.31, 261,344.34 and 104,496.39

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Solution

The fourth proportional to 189,379.31, 261,344.34 and 104,496.39 is: 144,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,379.31 : 261,344.34 = 104,496.39 : x
  2. Step 2: Convert to fraction form
    189,379.31/261,344.34 = 104,496.39/x
  3. Step 3: Cross multiply
    189,379.31x = 261,344.34 × 104,496.39
  4. Step 4: Simplify right side
    189,379.31x = 27,309,540,076.93
  5. Step 5: Solve for x
    x = 27,309,540,076.93/189,379.31
  6. Step 6: Final answer
    x = 144,205.51

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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.