Home / 198,009.98-273,253.48-107,365.78

Finding the Fourth Proportional to 198,009.98, 273,253.48 and 107,365.78

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Solution

The fourth proportional to 198,009.98, 273,253.48 and 107,365.78 is: 148,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,009.98 : 273,253.48 = 107,365.78 : x
  2. Step 2: Convert to fraction form
    198,009.98/273,253.48 = 107,365.78/x
  3. Step 3: Cross multiply
    198,009.98x = 273,253.48 × 107,365.78
  4. Step 4: Simplify right side
    198,009.98x = 29,338,073,017.91
  5. Step 5: Solve for x
    x = 29,338,073,017.91/198,009.98
  6. Step 6: Final answer
    x = 148,164.62

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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.