Home / 199,182.27-274,871.57-108,538.28

Finding the Fourth Proportional to 199,182.27, 274,871.57 and 108,538.28

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Solution

The fourth proportional to 199,182.27, 274,871.57 and 108,538.28 is: 149,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,182.27 : 274,871.57 = 108,538.28 : x
  2. Step 2: Convert to fraction form
    199,182.27/274,871.57 = 108,538.28/x
  3. Step 3: Cross multiply
    199,182.27x = 274,871.57 × 108,538.28
  4. Step 4: Simplify right side
    199,182.27x = 29,834,085,511.65
  5. Step 5: Solve for x
    x = 29,834,085,511.65/199,182.27
  6. Step 6: Final answer
    x = 149,782.84

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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.