Home / 196,351.48-294,439.74-71,605

Finding the Fourth Proportional to 196,351.48, 294,439.74 and 71,605

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Solution

The fourth proportional to 196,351.48, 294,439.74 and 71,605 is: 107,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,351.48 : 294,439.74 = 71,605 : x
  2. Step 2: Convert to fraction form
    196,351.48/294,439.74 = 71,605/x
  3. Step 3: Cross multiply
    196,351.48x = 294,439.74 × 71,605
  4. Step 4: Simplify right side
    196,351.48x = 21,083,357,582.70
  5. Step 5: Solve for x
    x = 21,083,357,582.70/196,351.48
  6. Step 6: Final answer
    x = 107,375.60

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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.