Home / 150,286.28-207,394.74-86,623.64

Finding the Fourth Proportional to 150,286.28, 207,394.74 and 86,623.64

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Solution

The fourth proportional to 150,286.28, 207,394.74 and 86,623.64 is: 119,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,286.28 : 207,394.74 = 86,623.64 : x
  2. Step 2: Convert to fraction form
    150,286.28/207,394.74 = 86,623.64/x
  3. Step 3: Cross multiply
    150,286.28x = 207,394.74 × 86,623.64
  4. Step 4: Simplify right side
    150,286.28x = 17,965,287,295.65
  5. Step 5: Solve for x
    x = 17,965,287,295.65/150,286.28
  6. Step 6: Final answer
    x = 119,540.44

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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.