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Finding the Fourth Proportional to 100,036.44, 150,096.78 and 43,847.55

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Solution

The fourth proportional to 100,036.44, 150,096.78 and 43,847.55 is: 65,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,036.44 : 150,096.78 = 43,847.55 : x
  2. Step 2: Convert to fraction form
    100,036.44/150,096.78 = 43,847.55/x
  3. Step 3: Cross multiply
    100,036.44x = 150,096.78 × 43,847.55
  4. Step 4: Simplify right side
    100,036.44x = 6,581,376,065.89
  5. Step 5: Solve for x
    x = 6,581,376,065.89/100,036.44
  6. Step 6: Final answer
    x = 65,789.79

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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.