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Finding the Fourth Proportional to 185,382.64, 255,818.20 and 104,805.37

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Solution

The fourth proportional to 185,382.64, 255,818.20 and 104,805.37 is: 144,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,382.64 : 255,818.20 = 104,805.37 : x
  2. Step 2: Convert to fraction form
    185,382.64/255,818.20 = 104,805.37/x
  3. Step 3: Cross multiply
    185,382.64x = 255,818.20 × 104,805.37
  4. Step 4: Simplify right side
    185,382.64x = 26,811,121,103.73
  5. Step 5: Solve for x
    x = 26,811,121,103.73/185,382.64
  6. Step 6: Final answer
    x = 144,625.85

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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.