Home / 185,440.73-255,940.97-108,959.81

Finding the Fourth Proportional to 185,440.73, 255,940.97 and 108,959.81

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Solution

The fourth proportional to 185,440.73, 255,940.97 and 108,959.81 is: 150,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.73 : 255,940.97 = 108,959.81 : x
  2. Step 2: Convert to fraction form
    185,440.73/255,940.97 = 108,959.81/x
  3. Step 3: Cross multiply
    185,440.73x = 255,940.97 × 108,959.81
  4. Step 4: Simplify right side
    185,440.73x = 27,887,277,637.91
  5. Step 5: Solve for x
    x = 27,887,277,637.91/185,440.73
  6. Step 6: Final answer
    x = 150,383.78

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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.