Home / 151,902.20-227,853.30-77,252.60

Finding the Fourth Proportional to 151,902.20, 227,853.30 and 77,252.60

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Solution

The fourth proportional to 151,902.20, 227,853.30 and 77,252.60 is: 115,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,902.20 : 227,853.30 = 77,252.60 : x
  2. Step 2: Convert to fraction form
    151,902.20/227,853.30 = 77,252.60/x
  3. Step 3: Cross multiply
    151,902.20x = 227,853.30 × 77,252.60
  4. Step 4: Simplify right side
    151,902.20x = 17,602,259,843.58
  5. Step 5: Solve for x
    x = 17,602,259,843.58/151,902.20
  6. Step 6: Final answer
    x = 115,878.90

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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.