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Finding the Fourth Proportional to 163,754.28, 225,978.66 and 95,817.96

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Solution

The fourth proportional to 163,754.28, 225,978.66 and 95,817.96 is: 132,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,754.28 : 225,978.66 = 95,817.96 : x
  2. Step 2: Convert to fraction form
    163,754.28/225,978.66 = 95,817.96/x
  3. Step 3: Cross multiply
    163,754.28x = 225,978.66 × 95,817.96
  4. Step 4: Simplify right side
    163,754.28x = 21,652,814,204.73
  5. Step 5: Solve for x
    x = 21,652,814,204.73/163,754.28
  6. Step 6: Final answer
    x = 132,227.47

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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.