Home / 198,172.08-273,324.60-137,741.52

Finding the Fourth Proportional to 198,172.08, 273,324.60 and 137,741.52

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Solution

The fourth proportional to 198,172.08, 273,324.60 and 137,741.52 is: 189,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,172.08 : 273,324.60 = 137,741.52 : x
  2. Step 2: Convert to fraction form
    198,172.08/273,324.60 = 137,741.52/x
  3. Step 3: Cross multiply
    198,172.08x = 273,324.60 × 137,741.52
  4. Step 4: Simplify right side
    198,172.08x = 37,648,145,857.39
  5. Step 5: Solve for x
    x = 37,648,145,857.39/198,172.08
  6. Step 6: Final answer
    x = 189,977.04

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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.