Home / 100,660.33-151,015.25-50,083.26

Finding the Fourth Proportional to 100,660.33, 151,015.25 and 50,083.26

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Solution

The fourth proportional to 100,660.33, 151,015.25 and 50,083.26 is: 75,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,660.33 : 151,015.25 = 50,083.26 : x
  2. Step 2: Convert to fraction form
    100,660.33/151,015.25 = 50,083.26/x
  3. Step 3: Cross multiply
    100,660.33x = 151,015.25 × 50,083.26
  4. Step 4: Simplify right side
    100,660.33x = 7,563,336,029.72
  5. Step 5: Solve for x
    x = 7,563,336,029.72/100,660.33
  6. Step 6: Final answer
    x = 75,137.21

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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.