Home / 198,371.19-273,777.27-122,931.03

Finding the Fourth Proportional to 198,371.19, 273,777.27 and 122,931.03

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Solution

The fourth proportional to 198,371.19, 273,777.27 and 122,931.03 is: 169,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,371.19 : 273,777.27 = 122,931.03 : x
  2. Step 2: Convert to fraction form
    198,371.19/273,777.27 = 122,931.03/x
  3. Step 3: Cross multiply
    198,371.19x = 273,777.27 × 122,931.03
  4. Step 4: Simplify right side
    198,371.19x = 33,655,721,791.69
  5. Step 5: Solve for x
    x = 33,655,721,791.69/198,371.19
  6. Step 6: Final answer
    x = 169,660.33

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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.