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Finding the Fourth Proportional to 100,672.26, 150,872.30 and 44,502.81

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Solution

The fourth proportional to 100,672.26, 150,872.30 and 44,502.81 is: 66,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,672.26 : 150,872.30 = 44,502.81 : x
  2. Step 2: Convert to fraction form
    100,672.26/150,872.30 = 44,502.81/x
  3. Step 3: Cross multiply
    100,672.26x = 150,872.30 × 44,502.81
  4. Step 4: Simplify right side
    100,672.26x = 6,714,241,301.16
  5. Step 5: Solve for x
    x = 6,714,241,301.16/100,672.26
  6. Step 6: Final answer
    x = 66,694.06

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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.