Home / 198,805.98-273,974.32-142,118.94

Finding the Fourth Proportional to 198,805.98, 273,974.32 and 142,118.94

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Solution

The fourth proportional to 198,805.98, 273,974.32 and 142,118.94 is: 195,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,805.98 : 273,974.32 = 142,118.94 : x
  2. Step 2: Convert to fraction form
    198,805.98/273,974.32 = 142,118.94/x
  3. Step 3: Cross multiply
    198,805.98x = 273,974.32 × 142,118.94
  4. Step 4: Simplify right side
    198,805.98x = 38,936,939,945.62
  5. Step 5: Solve for x
    x = 38,936,939,945.62/198,805.98
  6. Step 6: Final answer
    x = 195,853.97

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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.