Home / 151,816.18-227,863.16-76,987.97

Finding the Fourth Proportional to 151,816.18, 227,863.16 and 76,987.97

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Solution

The fourth proportional to 151,816.18, 227,863.16 and 76,987.97 is: 115,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,816.18 : 227,863.16 = 76,987.97 : x
  2. Step 2: Convert to fraction form
    151,816.18/227,863.16 = 76,987.97/x
  3. Step 3: Cross multiply
    151,816.18x = 227,863.16 × 76,987.97
  4. Step 4: Simplify right side
    151,816.18x = 17,542,722,126.19
  5. Step 5: Solve for x
    x = 17,542,722,126.19/151,816.18
  6. Step 6: Final answer
    x = 115,552.39

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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.