Home / 131,044.20-196,566.30-120,906.60

Finding the Fourth Proportional to 131,044.20, 196,566.30 and 120,906.60

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Solution

The fourth proportional to 131,044.20, 196,566.30 and 120,906.60 is: 181,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,044.20 : 196,566.30 = 120,906.60 : x
  2. Step 2: Convert to fraction form
    131,044.20/196,566.30 = 120,906.60/x
  3. Step 3: Cross multiply
    131,044.20x = 196,566.30 × 120,906.60
  4. Step 4: Simplify right side
    131,044.20x = 23,766,163,007.58
  5. Step 5: Solve for x
    x = 23,766,163,007.58/131,044.20
  6. Step 6: Final answer
    x = 181,359.90

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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.