Home / 159,845.45-220,571.01-88,220.85

Finding the Fourth Proportional to 159,845.45, 220,571.01 and 88,220.85

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Solution

The fourth proportional to 159,845.45, 220,571.01 and 88,220.85 is: 121,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,845.45 : 220,571.01 = 88,220.85 : x
  2. Step 2: Convert to fraction form
    159,845.45/220,571.01 = 88,220.85/x
  3. Step 3: Cross multiply
    159,845.45x = 220,571.01 × 88,220.85
  4. Step 4: Simplify right side
    159,845.45x = 19,458,962,773.36
  5. Step 5: Solve for x
    x = 19,458,962,773.36/159,845.45
  6. Step 6: Final answer
    x = 121,736.11

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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.