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Finding the Fourth Proportional to 164,617.92, 227,171.52 and 92,996.64

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Solution

The fourth proportional to 164,617.92, 227,171.52 and 92,996.64 is: 128,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,617.92 : 227,171.52 = 92,996.64 : x
  2. Step 2: Convert to fraction form
    164,617.92/227,171.52 = 92,996.64/x
  3. Step 3: Cross multiply
    164,617.92x = 227,171.52 × 92,996.64
  4. Step 4: Simplify right side
    164,617.92x = 21,126,188,063.69
  5. Step 5: Solve for x
    x = 21,126,188,063.69/164,617.92
  6. Step 6: Final answer
    x = 128,334.68

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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.