Home / 151,795.20-227,838.60-76,999.80

Finding the Fourth Proportional to 151,795.20, 227,838.60 and 76,999.80

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Solution

The fourth proportional to 151,795.20, 227,838.60 and 76,999.80 is: 115,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,795.20 : 227,838.60 = 76,999.80 : x
  2. Step 2: Convert to fraction form
    151,795.20/227,838.60 = 76,999.80/x
  3. Step 3: Cross multiply
    151,795.20x = 227,838.60 × 76,999.80
  4. Step 4: Simplify right side
    151,795.20x = 17,543,526,632.28
  5. Step 5: Solve for x
    x = 17,543,526,632.28/151,795.20
  6. Step 6: Final answer
    x = 115,573.66

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1.5x scale

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.