Home / 131,979.60-197,839.80-117,982.80

Finding the Fourth Proportional to 131,979.60, 197,839.80 and 117,982.80

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Solution

The fourth proportional to 131,979.60, 197,839.80 and 117,982.80 is: 176,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,979.60 : 197,839.80 = 117,982.80 : x
  2. Step 2: Convert to fraction form
    131,979.60/197,839.80 = 117,982.80/x
  3. Step 3: Cross multiply
    131,979.60x = 197,839.80 × 117,982.80
  4. Step 4: Simplify right side
    131,979.60x = 23,341,693,555.44
  5. Step 5: Solve for x
    x = 23,341,693,555.44/131,979.60
  6. Step 6: Final answer
    x = 176,858.34

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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.