Home / 198,414.89-273,814.55-107,772.62

Finding the Fourth Proportional to 198,414.89, 273,814.55 and 107,772.62

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Solution

The fourth proportional to 198,414.89, 273,814.55 and 107,772.62 is: 148,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,414.89 : 273,814.55 = 107,772.62 : x
  2. Step 2: Convert to fraction form
    198,414.89/273,814.55 = 107,772.62/x
  3. Step 3: Cross multiply
    198,414.89x = 273,814.55 × 107,772.62
  4. Step 4: Simplify right side
    198,414.89x = 29,509,711,447.62
  5. Step 5: Solve for x
    x = 29,509,711,447.62/198,414.89
  6. Step 6: Final answer
    x = 148,727.30

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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.