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Finding the Fourth Proportional to 119,361.26, 179,053.58 and 43,480.42

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Solution

The fourth proportional to 119,361.26, 179,053.58 and 43,480.42 is: 65,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,361.26 : 179,053.58 = 43,480.42 : x
  2. Step 2: Convert to fraction form
    119,361.26/179,053.58 = 43,480.42/x
  3. Step 3: Cross multiply
    119,361.26x = 179,053.58 × 43,480.42
  4. Step 4: Simplify right side
    119,361.26x = 7,785,324,521.97
  5. Step 5: Solve for x
    x = 7,785,324,521.97/119,361.26
  6. Step 6: Final answer
    x = 65,224.88

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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.