Home / 196,008.12-294,081.30-71,361.72

Finding the Fourth Proportional to 196,008.12, 294,081.30 and 71,361.72

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Solution

The fourth proportional to 196,008.12, 294,081.30 and 71,361.72 is: 107,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,008.12 : 294,081.30 = 71,361.72 : x
  2. Step 2: Convert to fraction form
    196,008.12/294,081.30 = 71,361.72/x
  3. Step 3: Cross multiply
    196,008.12x = 294,081.30 × 71,361.72
  4. Step 4: Simplify right side
    196,008.12x = 20,986,147,387.84
  5. Step 5: Solve for x
    x = 20,986,147,387.84/196,008.12
  6. Step 6: Final answer
    x = 107,067.74

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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.