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Finding the Fourth Proportional to 180,107.72, 270,161.58 and 67,813.14

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Solution

The fourth proportional to 180,107.72, 270,161.58 and 67,813.14 is: 101,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,107.72 : 270,161.58 = 67,813.14 : x
  2. Step 2: Convert to fraction form
    180,107.72/270,161.58 = 67,813.14/x
  3. Step 3: Cross multiply
    180,107.72x = 270,161.58 × 67,813.14
  4. Step 4: Simplify right side
    180,107.72x = 18,320,505,047.16
  5. Step 5: Solve for x
    x = 18,320,505,047.16/180,107.72
  6. Step 6: Final answer
    x = 101,719.71

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1.5x scale

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.