Home / 198,277.65-273,625.29-107,634.47

Finding the Fourth Proportional to 198,277.65, 273,625.29 and 107,634.47

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Solution

The fourth proportional to 198,277.65, 273,625.29 and 107,634.47 is: 148,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277.65 : 273,625.29 = 107,634.47 : x
  2. Step 2: Convert to fraction form
    198,277.65/273,625.29 = 107,634.47/x
  3. Step 3: Cross multiply
    198,277.65x = 273,625.29 × 107,634.47
  4. Step 4: Simplify right side
    198,277.65x = 29,451,511,699.62
  5. Step 5: Solve for x
    x = 29,451,511,699.62/198,277.65
  6. Step 6: Final answer
    x = 148,536.72

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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.