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Finding the Fourth Proportional to 185,591.35, 256,116.72 and 100,708.41

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Solution

The fourth proportional to 185,591.35, 256,116.72 and 100,708.41 is: 138,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,591.35 : 256,116.72 = 100,708.41 : x
  2. Step 2: Convert to fraction form
    185,591.35/256,116.72 = 100,708.41/x
  3. Step 3: Cross multiply
    185,591.35x = 256,116.72 × 100,708.41
  4. Step 4: Simplify right side
    185,591.35x = 25,793,107,142.07
  5. Step 5: Solve for x
    x = 25,793,107,142.07/185,591.35
  6. Step 6: Final answer
    x = 138,977.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.