Home / 149,759.50-206,499.63-122,450.38

Finding the Fourth Proportional to 149,759.50, 206,499.63 and 122,450.38

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Solution

The fourth proportional to 149,759.50, 206,499.63 and 122,450.38 is: 168,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,759.50 : 206,499.63 = 122,450.38 : x
  2. Step 2: Convert to fraction form
    149,759.50/206,499.63 = 122,450.38/x
  3. Step 3: Cross multiply
    149,759.50x = 206,499.63 × 122,450.38
  4. Step 4: Simplify right side
    149,759.50x = 25,285,958,163.36
  5. Step 5: Solve for x
    x = 25,285,958,163.36/149,759.50
  6. Step 6: Final answer
    x = 168,843.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.