Home / 135,099.14-186,340.11-94,821.89

Finding the Fourth Proportional to 135,099.14, 186,340.11 and 94,821.89

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Solution

The fourth proportional to 135,099.14, 186,340.11 and 94,821.89 is: 130,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,099.14 : 186,340.11 = 94,821.89 : x
  2. Step 2: Convert to fraction form
    135,099.14/186,340.11 = 94,821.89/x
  3. Step 3: Cross multiply
    135,099.14x = 186,340.11 × 94,821.89
  4. Step 4: Simplify right side
    135,099.14x = 17,669,120,481.31
  5. Step 5: Solve for x
    x = 17,669,120,481.31/135,099.14
  6. Step 6: Final answer
    x = 130,786.33

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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.