Home / 132,399.87-198,557.69-43,636.83

Finding the Fourth Proportional to 132,399.87, 198,557.69 and 43,636.83

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Solution

The fourth proportional to 132,399.87, 198,557.69 and 43,636.83 is: 65,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.87 : 198,557.69 = 43,636.83 : x
  2. Step 2: Convert to fraction form
    132,399.87/198,557.69 = 43,636.83/x
  3. Step 3: Cross multiply
    132,399.87x = 198,557.69 × 43,636.83
  4. Step 4: Simplify right side
    132,399.87x = 8,664,427,945.54
  5. Step 5: Solve for x
    x = 8,664,427,945.54/132,399.87
  6. Step 6: Final answer
    x = 65,441.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.