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Finding the Fourth Proportional to 163,722.78, 225,937.11 and 92,102.87

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Solution

The fourth proportional to 163,722.78, 225,937.11 and 92,102.87 is: 127,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,722.78 : 225,937.11 = 92,102.87 : x
  2. Step 2: Convert to fraction form
    163,722.78/225,937.11 = 92,102.87/x
  3. Step 3: Cross multiply
    163,722.78x = 225,937.11 × 92,102.87
  4. Step 4: Simplify right side
    163,722.78x = 20,809,456,270.51
  5. Step 5: Solve for x
    x = 20,809,456,270.51/163,722.78
  6. Step 6: Final answer
    x = 127,101.78

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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.