Home / 199,165.31-274,844.62-108,521.90

Finding the Fourth Proportional to 199,165.31, 274,844.62 and 108,521.90

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Solution

The fourth proportional to 199,165.31, 274,844.62 and 108,521.90 is: 149,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,165.31 : 274,844.62 = 108,521.90 : x
  2. Step 2: Convert to fraction form
    199,165.31/274,844.62 = 108,521.90/x
  3. Step 3: Cross multiply
    199,165.31x = 274,844.62 × 108,521.90
  4. Step 4: Simplify right side
    199,165.31x = 29,826,660,627.06
  5. Step 5: Solve for x
    x = 29,826,660,627.06/199,165.31
  6. Step 6: Final answer
    x = 149,758.32

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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.