Home / 198,089.94-273,335.24-113,190.60

Finding the Fourth Proportional to 198,089.94, 273,335.24 and 113,190.60

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Solution

The fourth proportional to 198,089.94, 273,335.24 and 113,190.60 is: 156,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,089.94 : 273,335.24 = 113,190.60 : x
  2. Step 2: Convert to fraction form
    198,089.94/273,335.24 = 113,190.60/x
  3. Step 3: Cross multiply
    198,089.94x = 273,335.24 × 113,190.60
  4. Step 4: Simplify right side
    198,089.94x = 30,938,979,816.74
  5. Step 5: Solve for x
    x = 30,938,979,816.74/198,089.94
  6. Step 6: Final answer
    x = 156,186.53

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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.