Home / 151,724.20-227,586.30-77,074.60

Finding the Fourth Proportional to 151,724.20, 227,586.30 and 77,074.60

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Solution

The fourth proportional to 151,724.20, 227,586.30 and 77,074.60 is: 115,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,724.20 : 227,586.30 = 77,074.60 : x
  2. Step 2: Convert to fraction form
    151,724.20/227,586.30 = 77,074.60/x
  3. Step 3: Cross multiply
    151,724.20x = 227,586.30 × 77,074.60
  4. Step 4: Simplify right side
    151,724.20x = 17,541,123,037.98
  5. Step 5: Solve for x
    x = 17,541,123,037.98/151,724.20
  6. Step 6: Final answer
    x = 115,611.90

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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.