Home / 198,470.82-273,892.83-107,828.58

Finding the Fourth Proportional to 198,470.82, 273,892.83 and 107,828.58

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Solution

The fourth proportional to 198,470.82, 273,892.83 and 107,828.58 is: 148,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,470.82 : 273,892.83 = 107,828.58 : x
  2. Step 2: Convert to fraction form
    198,470.82/273,892.83 = 107,828.58/x
  3. Step 3: Cross multiply
    198,470.82x = 273,892.83 × 107,828.58
  4. Step 4: Simplify right side
    198,470.82x = 29,533,474,931.08
  5. Step 5: Solve for x
    x = 29,533,474,931.08/198,470.82
  6. Step 6: Final answer
    x = 148,805.12

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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.