Home / 198,208.99-273,541.89-112,168.03

Finding the Fourth Proportional to 198,208.99, 273,541.89 and 112,168.03

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Solution

The fourth proportional to 198,208.99, 273,541.89 and 112,168.03 is: 154,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,208.99 : 273,541.89 = 112,168.03 : x
  2. Step 2: Convert to fraction form
    198,208.99/273,541.89 = 112,168.03/x
  3. Step 3: Cross multiply
    198,208.99x = 273,541.89 × 112,168.03
  4. Step 4: Simplify right side
    198,208.99x = 30,682,654,923.78
  5. Step 5: Solve for x
    x = 30,682,654,923.78/198,208.99
  6. Step 6: Final answer
    x = 154,799.51

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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.