Home / 199,080.86-274,729.24-108,436.54

Finding the Fourth Proportional to 199,080.86, 274,729.24 and 108,436.54

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Solution

The fourth proportional to 199,080.86, 274,729.24 and 108,436.54 is: 149,641.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,080.86 : 274,729.24 = 108,436.54 : x
  2. Step 2: Convert to fraction form
    199,080.86/274,729.24 = 108,436.54/x
  3. Step 3: Cross multiply
    199,080.86x = 274,729.24 × 108,436.54
  4. Step 4: Simplify right side
    199,080.86x = 29,790,688,222.43
  5. Step 5: Solve for x
    x = 29,790,688,222.43/199,080.86
  6. Step 6: Final answer
    x = 149,641.15

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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.