Home / 185,440.29-255,940.36-108,959.37

Finding the Fourth Proportional to 185,440.29, 255,940.36 and 108,959.37

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Solution

The fourth proportional to 185,440.29, 255,940.36 and 108,959.37 is: 150,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,440.29 : 255,940.36 = 108,959.37 : x
  2. Step 2: Convert to fraction form
    185,440.29/255,940.36 = 108,959.37/x
  3. Step 3: Cross multiply
    185,440.29x = 255,940.36 × 108,959.37
  4. Step 4: Simplify right side
    185,440.29x = 27,887,099,103.47
  5. Step 5: Solve for x
    x = 27,887,099,103.47/185,440.29
  6. Step 6: Final answer
    x = 150,383.18

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1.5x scale

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.