Home / 197,930.50-273,144.09-108,506.50

Finding the Fourth Proportional to 197,930.50, 273,144.09 and 108,506.50

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Solution

The fourth proportional to 197,930.50, 273,144.09 and 108,506.50 is: 149,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,930.50 : 273,144.09 = 108,506.50 : x
  2. Step 2: Convert to fraction form
    197,930.50/273,144.09 = 108,506.50/x
  3. Step 3: Cross multiply
    197,930.50x = 273,144.09 × 108,506.50
  4. Step 4: Simplify right side
    197,930.50x = 29,637,909,201.59
  5. Step 5: Solve for x
    x = 29,637,909,201.59/197,930.50
  6. Step 6: Final answer
    x = 149,738.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.