Home / 198,104.72-273,383.61-107,460.72

Finding the Fourth Proportional to 198,104.72, 273,383.61 and 107,460.72

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Solution

The fourth proportional to 198,104.72, 273,383.61 and 107,460.72 is: 148,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,104.72 : 273,383.61 = 107,460.72 : x
  2. Step 2: Convert to fraction form
    198,104.72/273,383.61 = 107,460.72/x
  3. Step 3: Cross multiply
    198,104.72x = 273,383.61 × 107,460.72
  4. Step 4: Simplify right side
    198,104.72x = 29,377,999,566.80
  5. Step 5: Solve for x
    x = 29,377,999,566.80/198,104.72
  6. Step 6: Final answer
    x = 148,295.31

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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.