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Finding the Fourth Proportional to 169,770.96, 254,651.85 and 57,450.42

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Solution

The fourth proportional to 169,770.96, 254,651.85 and 57,450.42 is: 86,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,770.96 : 254,651.85 = 57,450.42 : x
  2. Step 2: Convert to fraction form
    169,770.96/254,651.85 = 57,450.42/x
  3. Step 3: Cross multiply
    169,770.96x = 254,651.85 × 57,450.42
  4. Step 4: Simplify right side
    169,770.96x = 14,629,855,736.28
  5. Step 5: Solve for x
    x = 14,629,855,736.28/169,770.96
  6. Step 6: Final answer
    x = 86,174.08

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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.