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Finding the Fourth Proportional to 185,359.67, 255,796.73 and 100,476.73

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Solution

The fourth proportional to 185,359.67, 255,796.73 and 100,476.73 is: 138,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,359.67 : 255,796.73 = 100,476.73 : x
  2. Step 2: Convert to fraction form
    185,359.67/255,796.73 = 100,476.73/x
  3. Step 3: Cross multiply
    185,359.67x = 255,796.73 × 100,476.73
  4. Step 4: Simplify right side
    185,359.67x = 25,701,619,015.00
  5. Step 5: Solve for x
    x = 25,701,619,015.00/185,359.67
  6. Step 6: Final answer
    x = 138,658.10

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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.