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Finding the Fourth Proportional to 164,393.92, 226,863.21 and 92,773.72

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Solution

The fourth proportional to 164,393.92, 226,863.21 and 92,773.72 is: 128,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,393.92 : 226,863.21 = 92,773.72 : x
  2. Step 2: Convert to fraction form
    164,393.92/226,863.21 = 92,773.72/x
  3. Step 3: Cross multiply
    164,393.92x = 226,863.21 × 92,773.72
  4. Step 4: Simplify right side
    164,393.92x = 21,046,943,922.84
  5. Step 5: Solve for x
    x = 21,046,943,922.84/164,393.92
  6. Step 6: Final answer
    x = 128,027.51

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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.