Home / 198,188.44-273,422.19-113,259.94

Finding the Fourth Proportional to 198,188.44, 273,422.19 and 113,259.94

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Solution

The fourth proportional to 198,188.44, 273,422.19 and 113,259.94 is: 156,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.44 : 273,422.19 = 113,259.94 : x
  2. Step 2: Convert to fraction form
    198,188.44/273,422.19 = 113,259.94/x
  3. Step 3: Cross multiply
    198,188.44x = 273,422.19 × 113,259.94
  4. Step 4: Simplify right side
    198,188.44x = 30,967,780,834.07
  5. Step 5: Solve for x
    x = 30,967,780,834.07/198,188.44
  6. Step 6: Final answer
    x = 156,254.22

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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.