Home / 198,939.08-274,535.96-108,295.72

Finding the Fourth Proportional to 198,939.08, 274,535.96 and 108,295.72

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Solution

The fourth proportional to 198,939.08, 274,535.96 and 108,295.72 is: 149,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,939.08 : 274,535.96 = 108,295.72 : x
  2. Step 2: Convert to fraction form
    198,939.08/274,535.96 = 108,295.72/x
  3. Step 3: Cross multiply
    198,939.08x = 274,535.96 × 108,295.72
  4. Step 4: Simplify right side
    198,939.08x = 29,731,068,226.27
  5. Step 5: Solve for x
    x = 29,731,068,226.27/198,939.08
  6. Step 6: Final answer
    x = 149,448.10

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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.