Home / 149,716.44-206,635.32-89,291.16

Finding the Fourth Proportional to 149,716.44, 206,635.32 and 89,291.16

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Solution

The fourth proportional to 149,716.44, 206,635.32 and 89,291.16 is: 123,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,716.44 : 206,635.32 = 89,291.16 : x
  2. Step 2: Convert to fraction form
    149,716.44/206,635.32 = 89,291.16/x
  3. Step 3: Cross multiply
    149,716.44x = 206,635.32 × 89,291.16
  4. Step 4: Simplify right side
    149,716.44x = 18,450,707,419.77
  5. Step 5: Solve for x
    x = 18,450,707,419.77/149,716.44
  6. Step 6: Final answer
    x = 123,237.68

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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.