Home / 198,633.23-274,119.14-107,995.31

Finding the Fourth Proportional to 198,633.23, 274,119.14 and 107,995.31

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Solution

The fourth proportional to 198,633.23, 274,119.14 and 107,995.31 is: 149,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,633.23 : 274,119.14 = 107,995.31 : x
  2. Step 2: Convert to fraction form
    198,633.23/274,119.14 = 107,995.31/x
  3. Step 3: Cross multiply
    198,633.23x = 274,119.14 × 107,995.31
  4. Step 4: Simplify right side
    198,633.23x = 29,603,579,590.66
  5. Step 5: Solve for x
    x = 29,603,579,590.66/198,633.23
  6. Step 6: Final answer
    x = 149,036.39

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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.