Home / 198,039.37-273,294.40-107,395.31

Finding the Fourth Proportional to 198,039.37, 273,294.40 and 107,395.31

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Solution

The fourth proportional to 198,039.37, 273,294.40 and 107,395.31 is: 148,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,039.37 : 273,294.40 = 107,395.31 : x
  2. Step 2: Convert to fraction form
    198,039.37/273,294.40 = 107,395.31/x
  3. Step 3: Cross multiply
    198,039.37x = 273,294.40 × 107,395.31
  4. Step 4: Simplify right side
    198,039.37x = 29,350,535,174.30
  5. Step 5: Solve for x
    x = 29,350,535,174.30/198,039.37
  6. Step 6: Final answer
    x = 148,205.56

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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.