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Finding the Fourth Proportional to 169,512.73, 254,311.01 and 119,690.44

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Solution

The fourth proportional to 169,512.73, 254,311.01 and 119,690.44 is: 179,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,512.73 : 254,311.01 = 119,690.44 : x
  2. Step 2: Convert to fraction form
    169,512.73/254,311.01 = 119,690.44/x
  3. Step 3: Cross multiply
    169,512.73x = 254,311.01 × 119,690.44
  4. Step 4: Simplify right side
    169,512.73x = 30,438,596,683.74
  5. Step 5: Solve for x
    x = 30,438,596,683.74/169,512.73
  6. Step 6: Final answer
    x = 179,565.26

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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.