Home / 151,702.20-227,699.10-76,906.80

Finding the Fourth Proportional to 151,702.20, 227,699.10 and 76,906.80

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Solution

The fourth proportional to 151,702.20, 227,699.10 and 76,906.80 is: 115,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,702.20 : 227,699.10 = 76,906.80 : x
  2. Step 2: Convert to fraction form
    151,702.20/227,699.10 = 76,906.80/x
  3. Step 3: Cross multiply
    151,702.20x = 227,699.10 × 76,906.80
  4. Step 4: Simplify right side
    151,702.20x = 17,511,609,143.88
  5. Step 5: Solve for x
    x = 17,511,609,143.88/151,702.20
  6. Step 6: Final answer
    x = 115,434.11

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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.