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Finding the Fourth Proportional to 180,473.89, 270,976.96 and 100,667.79

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Solution

The fourth proportional to 180,473.89, 270,976.96 and 100,667.79 is: 151,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,473.89 : 270,976.96 = 100,667.79 : x
  2. Step 2: Convert to fraction form
    180,473.89/270,976.96 = 100,667.79/x
  3. Step 3: Cross multiply
    180,473.89x = 270,976.96 × 100,667.79
  4. Step 4: Simplify right side
    180,473.89x = 27,278,651,704.12
  5. Step 5: Solve for x
    x = 27,278,651,704.12/180,473.89
  6. Step 6: Final answer
    x = 151,150.13

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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.