Home / 135,550.33-187,059.84-75,121.94

Finding the Fourth Proportional to 135,550.33, 187,059.84 and 75,121.94

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Solution

The fourth proportional to 135,550.33, 187,059.84 and 75,121.94 is: 103,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,550.33 : 187,059.84 = 75,121.94 : x
  2. Step 2: Convert to fraction form
    135,550.33/187,059.84 = 75,121.94/x
  3. Step 3: Cross multiply
    135,550.33x = 187,059.84 × 75,121.94
  4. Step 4: Simplify right side
    135,550.33x = 14,052,298,076.89
  5. Step 5: Solve for x
    x = 14,052,298,076.89/135,550.33
  6. Step 6: Final answer
    x = 103,668.49

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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.