Home / 198,680.08-274,179.93-108,035.39

Finding the Fourth Proportional to 198,680.08, 274,179.93 and 108,035.39

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Solution

The fourth proportional to 198,680.08, 274,179.93 and 108,035.39 is: 149,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,680.08 : 274,179.93 = 108,035.39 : x
  2. Step 2: Convert to fraction form
    198,680.08/274,179.93 = 108,035.39/x
  3. Step 3: Cross multiply
    198,680.08x = 274,179.93 × 108,035.39
  4. Step 4: Simplify right side
    198,680.08x = 29,621,135,667.72
  5. Step 5: Solve for x
    x = 29,621,135,667.72/198,680.08
  6. Step 6: Final answer
    x = 149,089.61

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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.