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Finding the Fourth Proportional to 169,863.24, 254,590.74 and 119,868.42

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Solution

The fourth proportional to 169,863.24, 254,590.74 and 119,868.42 is: 179,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.24 : 254,590.74 = 119,868.42 : x
  2. Step 2: Convert to fraction form
    169,863.24/254,590.74 = 119,868.42/x
  3. Step 3: Cross multiply
    169,863.24x = 254,590.74 × 119,868.42
  4. Step 4: Simplify right side
    169,863.24x = 30,517,389,750.43
  5. Step 5: Solve for x
    x = 30,517,389,750.43/169,863.24
  6. Step 6: Final answer
    x = 179,658.59

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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.