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Finding the Fourth Proportional to 169,950, 254,925 and 80,933.64

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Solution

The fourth proportional to 169,950, 254,925 and 80,933.64 is: 121,400.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,950 : 254,925 = 80,933.64 : x
  2. Step 2: Convert to fraction form
    169,950/254,925 = 80,933.64/x
  3. Step 3: Cross multiply
    169,950x = 254,925 × 80,933.64
  4. Step 4: Simplify right side
    169,950x = 20,632,008,177
  5. Step 5: Solve for x
    x = 20,632,008,177/169,950
  6. Step 6: Final answer
    x = 121,400.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.