Home / 198,335.34-273,751.38-121,872.96

Finding the Fourth Proportional to 198,335.34, 273,751.38 and 121,872.96

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Solution

The fourth proportional to 198,335.34, 273,751.38 and 121,872.96 is: 168,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,335.34 : 273,751.38 = 121,872.96 : x
  2. Step 2: Convert to fraction form
    198,335.34/273,751.38 = 121,872.96/x
  3. Step 3: Cross multiply
    198,335.34x = 273,751.38 × 121,872.96
  4. Step 4: Simplify right side
    198,335.34x = 33,362,890,984.68
  5. Step 5: Solve for x
    x = 33,362,890,984.68/198,335.34
  6. Step 6: Final answer
    x = 168,214.56

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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.