Home / 132,629.36-198,980.46-39,135.11

Finding the Fourth Proportional to 132,629.36, 198,980.46 and 39,135.11

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Solution

The fourth proportional to 132,629.36, 198,980.46 and 39,135.11 is: 58,713.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,629.36 : 198,980.46 = 39,135.11 : x
  2. Step 2: Convert to fraction form
    132,629.36/198,980.46 = 39,135.11/x
  3. Step 3: Cross multiply
    132,629.36x = 198,980.46 × 39,135.11
  4. Step 4: Simplify right side
    132,629.36x = 7,787,121,195.05
  5. Step 5: Solve for x
    x = 7,787,121,195.05/132,629.36
  6. Step 6: Final answer
    x = 58,713.41

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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.