Home / 144,383.25-199,257.60-80,721.51

Finding the Fourth Proportional to 144,383.25, 199,257.60 and 80,721.51

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Solution

The fourth proportional to 144,383.25, 199,257.60 and 80,721.51 is: 111,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.25 : 199,257.60 = 80,721.51 : x
  2. Step 2: Convert to fraction form
    144,383.25/199,257.60 = 80,721.51/x
  3. Step 3: Cross multiply
    144,383.25x = 199,257.60 × 80,721.51
  4. Step 4: Simplify right side
    144,383.25x = 16,084,374,350.98
  5. Step 5: Solve for x
    x = 16,084,374,350.98/144,383.25
  6. Step 6: Final answer
    x = 111,400.56

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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.