Home / 129,976.96-194,972.36-41,237.42

Finding the Fourth Proportional to 129,976.96, 194,972.36 and 41,237.42

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Solution

The fourth proportional to 129,976.96, 194,972.36 and 41,237.42 is: 61,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,976.96 : 194,972.36 = 41,237.42 : x
  2. Step 2: Convert to fraction form
    129,976.96/194,972.36 = 41,237.42/x
  3. Step 3: Cross multiply
    129,976.96x = 194,972.36 × 41,237.42
  4. Step 4: Simplify right side
    129,976.96x = 8,040,157,097.71
  5. Step 5: Solve for x
    x = 8,040,157,097.71/129,976.96
  6. Step 6: Final answer
    x = 61,858.33

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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.