Home / 198,025.22-273,289.26-113,140.46

Finding the Fourth Proportional to 198,025.22, 273,289.26 and 113,140.46

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Solution

The fourth proportional to 198,025.22, 273,289.26 and 113,140.46 is: 156,142.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,025.22 : 273,289.26 = 113,140.46 : x
  2. Step 2: Convert to fraction form
    198,025.22/273,289.26 = 113,140.46/x
  3. Step 3: Cross multiply
    198,025.22x = 273,289.26 × 113,140.46
  4. Step 4: Simplify right side
    198,025.22x = 30,920,072,589.46
  5. Step 5: Solve for x
    x = 30,920,072,589.46/198,025.22
  6. Step 6: Final answer
    x = 156,142.09

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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.