Home / 198,055.33-273,311.21-113,172.39

Finding the Fourth Proportional to 198,055.33, 273,311.21 and 113,172.39

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Solution

The fourth proportional to 198,055.33, 273,311.21 and 113,172.39 is: 156,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.33 : 273,311.21 = 113,172.39 : x
  2. Step 2: Convert to fraction form
    198,055.33/273,311.21 = 113,172.39/x
  3. Step 3: Cross multiply
    198,055.33x = 273,311.21 × 113,172.39
  4. Step 4: Simplify right side
    198,055.33x = 30,931,283,132.42
  5. Step 5: Solve for x
    x = 30,931,283,132.42/198,055.33
  6. Step 6: Final answer
    x = 156,174.96

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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.