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Finding the Fourth Proportional to 163,670.94, 225,847.50 and 92,049.42

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Solution

The fourth proportional to 163,670.94, 225,847.50 and 92,049.42 is: 127,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,670.94 : 225,847.50 = 92,049.42 : x
  2. Step 2: Convert to fraction form
    163,670.94/225,847.50 = 92,049.42/x
  3. Step 3: Cross multiply
    163,670.94x = 225,847.50 × 92,049.42
  4. Step 4: Simplify right side
    163,670.94x = 20,789,131,383.45
  5. Step 5: Solve for x
    x = 20,789,131,383.45/163,670.94
  6. Step 6: Final answer
    x = 127,017.85

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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.