Home / 196,138.14-294,250.92-71,479.14

Finding the Fourth Proportional to 196,138.14, 294,250.92 and 71,479.14

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Solution

The fourth proportional to 196,138.14, 294,250.92 and 71,479.14 is: 107,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,138.14 : 294,250.92 = 71,479.14 : x
  2. Step 2: Convert to fraction form
    196,138.14/294,250.92 = 71,479.14/x
  3. Step 3: Cross multiply
    196,138.14x = 294,250.92 × 71,479.14
  4. Step 4: Simplify right side
    196,138.14x = 21,032,802,705.81
  5. Step 5: Solve for x
    x = 21,032,802,705.81/196,138.14
  6. Step 6: Final answer
    x = 107,234.64

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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.