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Finding the Fourth Proportional to 167,662.05, 251,471.62 and 55,314.46

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Solution

The fourth proportional to 167,662.05, 251,471.62 and 55,314.46 is: 82,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,662.05 : 251,471.62 = 55,314.46 : x
  2. Step 2: Convert to fraction form
    167,662.05/251,471.62 = 55,314.46/x
  3. Step 3: Cross multiply
    167,662.05x = 251,471.62 × 55,314.46
  4. Step 4: Simplify right side
    167,662.05x = 13,910,016,865.63
  5. Step 5: Solve for x
    x = 13,910,016,865.63/167,662.05
  6. Step 6: Final answer
    x = 82,964.61

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1.5x scale

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.