Home / 192,634.20-288,951.30-117,984.60

Finding the Fourth Proportional to 192,634.20, 288,951.30 and 117,984.60

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Solution

The fourth proportional to 192,634.20, 288,951.30 and 117,984.60 is: 176,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,634.20 : 288,951.30 = 117,984.60 : x
  2. Step 2: Convert to fraction form
    192,634.20/288,951.30 = 117,984.60/x
  3. Step 3: Cross multiply
    192,634.20x = 288,951.30 × 117,984.60
  4. Step 4: Simplify right side
    192,634.20x = 34,091,803,549.98
  5. Step 5: Solve for x
    x = 34,091,803,549.98/192,634.20
  6. Step 6: Final answer
    x = 176,976.90

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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.