Home / 149,291.72-222,845.31-131,577.64

Finding the Fourth Proportional to 149,291.72, 222,845.31 and 131,577.64

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Solution

The fourth proportional to 149,291.72, 222,845.31 and 131,577.64 is: 196,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,291.72 : 222,845.31 = 131,577.64 : x
  2. Step 2: Convert to fraction form
    149,291.72/222,845.31 = 131,577.64/x
  3. Step 3: Cross multiply
    149,291.72x = 222,845.31 × 131,577.64
  4. Step 4: Simplify right side
    149,291.72x = 29,321,459,974.87
  5. Step 5: Solve for x
    x = 29,321,459,974.87/149,291.72
  6. Step 6: Final answer
    x = 196,403.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.