Home / 133,629.70-199,099.10-131,705.14

Finding the Fourth Proportional to 133,629.70, 199,099.10 and 131,705.14

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Solution

The fourth proportional to 133,629.70, 199,099.10 and 131,705.14 is: 196,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,629.70 : 199,099.10 = 131,705.14 : x
  2. Step 2: Convert to fraction form
    133,629.70/199,099.10 = 131,705.14/x
  3. Step 3: Cross multiply
    133,629.70x = 199,099.10 × 131,705.14
  4. Step 4: Simplify right side
    133,629.70x = 26,222,374,839.37
  5. Step 5: Solve for x
    x = 26,222,374,839.37/133,629.70
  6. Step 6: Final answer
    x = 196,231.64

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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.