Home / 199,261.76-274,979.43-108,617.72

Finding the Fourth Proportional to 199,261.76, 274,979.43 and 108,617.72

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Solution

The fourth proportional to 199,261.76, 274,979.43 and 108,617.72 is: 149,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,261.76 : 274,979.43 = 108,617.72 : x
  2. Step 2: Convert to fraction form
    199,261.76/274,979.43 = 108,617.72/x
  3. Step 3: Cross multiply
    199,261.76x = 274,979.43 × 108,617.72
  4. Step 4: Simplify right side
    199,261.76x = 29,867,638,733.50
  5. Step 5: Solve for x
    x = 29,867,638,733.50/199,261.76
  6. Step 6: Final answer
    x = 149,891.47

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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.