Home / 180,078.23-270,286.83-91,395.38

Finding the Fourth Proportional to 180,078.23, 270,286.83 and 91,395.38

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Solution

The fourth proportional to 180,078.23, 270,286.83 and 91,395.38 is: 137,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,078.23 : 270,286.83 = 91,395.38 : x
  2. Step 2: Convert to fraction form
    180,078.23/270,286.83 = 91,395.38/x
  3. Step 3: Cross multiply
    180,078.23x = 270,286.83 × 91,395.38
  4. Step 4: Simplify right side
    180,078.23x = 24,702,966,185.41
  5. Step 5: Solve for x
    x = 24,702,966,185.41/180,078.23
  6. Step 6: Final answer
    x = 137,179.09

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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.