Home / 199,144.97-274,818.53-108,500.66

Finding the Fourth Proportional to 199,144.97, 274,818.53 and 108,500.66

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Solution

The fourth proportional to 199,144.97, 274,818.53 and 108,500.66 is: 149,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.97 : 274,818.53 = 108,500.66 : x
  2. Step 2: Convert to fraction form
    199,144.97/274,818.53 = 108,500.66/x
  3. Step 3: Cross multiply
    199,144.97x = 274,818.53 × 108,500.66
  4. Step 4: Simplify right side
    199,144.97x = 29,817,990,782.39
  5. Step 5: Solve for x
    x = 29,817,990,782.39/199,144.97
  6. Step 6: Final answer
    x = 149,730.08

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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.