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Finding the Fourth Proportional to 129,745.00, 194,616.34 and 40,998.52

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Solution

The fourth proportional to 129,745.00, 194,616.34 and 40,998.52 is: 61,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,745.00 : 194,616.34 = 40,998.52 : x
  2. Step 2: Convert to fraction form
    129,745.00/194,616.34 = 40,998.52/x
  3. Step 3: Cross multiply
    129,745.00x = 194,616.34 × 40,998.52
  4. Step 4: Simplify right side
    129,745.00x = 7,978,982,048.59
  5. Step 5: Solve for x
    x = 7,978,982,048.59/129,745.00
  6. Step 6: Final answer
    x = 61,497.41

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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.