Home / 198,828.86-274,375.59-108,185.19

Finding the Fourth Proportional to 198,828.86, 274,375.59 and 108,185.19

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Solution

The fourth proportional to 198,828.86, 274,375.59 and 108,185.19 is: 149,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,828.86 : 274,375.59 = 108,185.19 : x
  2. Step 2: Convert to fraction form
    198,828.86/274,375.59 = 108,185.19/x
  3. Step 3: Cross multiply
    198,828.86x = 274,375.59 × 108,185.19
  4. Step 4: Simplify right side
    198,828.86x = 29,683,375,335.51
  5. Step 5: Solve for x
    x = 29,683,375,335.51/198,828.86
  6. Step 6: Final answer
    x = 149,291.08

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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.