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Finding the Fourth Proportional to 169,486.44, 254,270.70 and 51,150.54

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Solution

The fourth proportional to 169,486.44, 254,270.70 and 51,150.54 is: 76,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,486.44 : 254,270.70 = 51,150.54 : x
  2. Step 2: Convert to fraction form
    169,486.44/254,270.70 = 51,150.54/x
  3. Step 3: Cross multiply
    169,486.44x = 254,270.70 × 51,150.54
  4. Step 4: Simplify right side
    169,486.44x = 13,006,083,611.18
  5. Step 5: Solve for x
    x = 13,006,083,611.18/169,486.44
  6. Step 6: Final answer
    x = 76,738.20

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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.