Home / 196,236.88-294,399.21-71,577.88

Finding the Fourth Proportional to 196,236.88, 294,399.21 and 71,577.88

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Solution

The fourth proportional to 196,236.88, 294,399.21 and 71,577.88 is: 107,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,236.88 : 294,399.21 = 71,577.88 : x
  2. Step 2: Convert to fraction form
    196,236.88/294,399.21 = 71,577.88/x
  3. Step 3: Cross multiply
    196,236.88x = 294,399.21 × 71,577.88
  4. Step 4: Simplify right side
    196,236.88x = 21,072,469,853.48
  5. Step 5: Solve for x
    x = 21,072,469,853.48/196,236.88
  6. Step 6: Final answer
    x = 107,382.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.