Home / 199,027.11-274,659.19-108,383.48

Finding the Fourth Proportional to 199,027.11, 274,659.19 and 108,383.48

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Solution

The fourth proportional to 199,027.11, 274,659.19 and 108,383.48 is: 149,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,027.11 : 274,659.19 = 108,383.48 : x
  2. Step 2: Convert to fraction form
    199,027.11/274,659.19 = 108,383.48/x
  3. Step 3: Cross multiply
    199,027.11x = 274,659.19 × 108,383.48
  4. Step 4: Simplify right side
    199,027.11x = 29,768,518,826.18
  5. Step 5: Solve for x
    x = 29,768,518,826.18/199,027.11
  6. Step 6: Final answer
    x = 149,570.17

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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.