Home / 225,990.11-338,968.65-106,074.38

Finding the Fourth Proportional to 225,990.11, 338,968.65 and 106,074.38

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Solution

The fourth proportional to 225,990.11, 338,968.65 and 106,074.38 is: 159,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,990.11 : 338,968.65 = 106,074.38 : x
  2. Step 2: Convert to fraction form
    225,990.11/338,968.65 = 106,074.38/x
  3. Step 3: Cross multiply
    225,990.11x = 338,968.65 × 106,074.38
  4. Step 4: Simplify right side
    225,990.11x = 35,955,889,388.19
  5. Step 5: Solve for x
    x = 35,955,889,388.19/225,990.11
  6. Step 6: Final answer
    x = 159,103.82

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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.