Home / 199,259.82-274,973.67-108,618.30

Finding the Fourth Proportional to 199,259.82, 274,973.67 and 108,618.30

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Solution

The fourth proportional to 199,259.82, 274,973.67 and 108,618.30 is: 149,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,259.82 : 274,973.67 = 108,618.30 : x
  2. Step 2: Convert to fraction form
    199,259.82/274,973.67 = 108,618.30/x
  3. Step 3: Cross multiply
    199,259.82x = 274,973.67 × 108,618.30
  4. Step 4: Simplify right side
    199,259.82x = 29,867,172,580.16
  5. Step 5: Solve for x
    x = 29,867,172,580.16/199,259.82
  6. Step 6: Final answer
    x = 149,890.59

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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.