Home / 198,817.34-274,367.93-108,173.34

Finding the Fourth Proportional to 198,817.34, 274,367.93 and 108,173.34

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Solution

The fourth proportional to 198,817.34, 274,367.93 and 108,173.34 is: 149,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.34 : 274,367.93 = 108,173.34 : x
  2. Step 2: Convert to fraction form
    198,817.34/274,367.93 = 108,173.34/x
  3. Step 3: Cross multiply
    198,817.34x = 274,367.93 × 108,173.34
  4. Step 4: Simplify right side
    198,817.34x = 29,679,294,836.12
  5. Step 5: Solve for x
    x = 29,679,294,836.12/198,817.34
  6. Step 6: Final answer
    x = 149,279.21

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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.