Home / 199,262.50-274,982-108,618.64

Finding the Fourth Proportional to 199,262.50, 274,982 and 108,618.64

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Solution

The fourth proportional to 199,262.50, 274,982 and 108,618.64 is: 149,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,262.50 : 274,982 = 108,618.64 : x
  2. Step 2: Convert to fraction form
    199,262.50/274,982 = 108,618.64/x
  3. Step 3: Cross multiply
    199,262.50x = 274,982 × 108,618.64
  4. Step 4: Simplify right side
    199,262.50x = 29,868,170,864.48
  5. Step 5: Solve for x
    x = 29,868,170,864.48/199,262.50
  6. Step 6: Final answer
    x = 149,893.59

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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.