Home / 137,876.37-206,179.63-131,150.31

Finding the Fourth Proportional to 137,876.37, 206,179.63 and 131,150.31

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Solution

The fourth proportional to 137,876.37, 206,179.63 and 131,150.31 is: 196,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,876.37 : 206,179.63 = 131,150.31 : x
  2. Step 2: Convert to fraction form
    137,876.37/206,179.63 = 131,150.31/x
  3. Step 3: Cross multiply
    137,876.37x = 206,179.63 × 131,150.31
  4. Step 4: Simplify right side
    137,876.37x = 27,040,522,390.19
  5. Step 5: Solve for x
    x = 27,040,522,390.19/137,876.37
  6. Step 6: Final answer
    x = 196,121.51

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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.