Home / 198,028.47-273,293.75-113,143.71

Finding the Fourth Proportional to 198,028.47, 273,293.75 and 113,143.71

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Solution

The fourth proportional to 198,028.47, 273,293.75 and 113,143.71 is: 156,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,028.47 : 273,293.75 = 113,143.71 : x
  2. Step 2: Convert to fraction form
    198,028.47/273,293.75 = 113,143.71/x
  3. Step 3: Cross multiply
    198,028.47x = 273,293.75 × 113,143.71
  4. Step 4: Simplify right side
    198,028.47x = 30,921,468,229.09
  5. Step 5: Solve for x
    x = 30,921,468,229.09/198,028.47
  6. Step 6: Final answer
    x = 156,146.58

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1.5x scale

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.