Home / 198,429.54-273,904.65-131,383.14

Finding the Fourth Proportional to 198,429.54, 273,904.65 and 131,383.14

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Solution

The fourth proportional to 198,429.54, 273,904.65 and 131,383.14 is: 181,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,429.54 : 273,904.65 = 131,383.14 : x
  2. Step 2: Convert to fraction form
    198,429.54/273,904.65 = 131,383.14/x
  3. Step 3: Cross multiply
    198,429.54x = 273,904.65 × 131,383.14
  4. Step 4: Simplify right side
    198,429.54x = 35,986,452,977.60
  5. Step 5: Solve for x
    x = 35,986,452,977.60/198,429.54
  6. Step 6: Final answer
    x = 181,356.33

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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.