Home / 133,555.97-200,332.26-53,629.31

Finding the Fourth Proportional to 133,555.97, 200,332.26 and 53,629.31

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Solution

The fourth proportional to 133,555.97, 200,332.26 and 53,629.31 is: 80,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,555.97 : 200,332.26 = 53,629.31 : x
  2. Step 2: Convert to fraction form
    133,555.97/200,332.26 = 53,629.31/x
  3. Step 3: Cross multiply
    133,555.97x = 200,332.26 × 53,629.31
  4. Step 4: Simplify right side
    133,555.97x = 10,743,681,375.37
  5. Step 5: Solve for x
    x = 10,743,681,375.37/133,555.97
  6. Step 6: Final answer
    x = 80,443.29

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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.