Home / 151,943.20-228,060.60-77,147.80

Finding the Fourth Proportional to 151,943.20, 228,060.60 and 77,147.80

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Solution

The fourth proportional to 151,943.20, 228,060.60 and 77,147.80 is: 115,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,943.20 : 228,060.60 = 77,147.80 : x
  2. Step 2: Convert to fraction form
    151,943.20/228,060.60 = 77,147.80/x
  3. Step 3: Cross multiply
    151,943.20x = 228,060.60 × 77,147.80
  4. Step 4: Simplify right side
    151,943.20x = 17,594,373,556.68
  5. Step 5: Solve for x
    x = 17,594,373,556.68/151,943.20
  6. Step 6: Final answer
    x = 115,795.73

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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.