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Finding the Fourth Proportional to 180,190.17, 270,243.34 and 67,881.65

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Solution

The fourth proportional to 180,190.17, 270,243.34 and 67,881.65 is: 101,806.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,190.17 : 270,243.34 = 67,881.65 : x
  2. Step 2: Convert to fraction form
    180,190.17/270,243.34 = 67,881.65/x
  3. Step 3: Cross multiply
    180,190.17x = 270,243.34 × 67,881.65
  4. Step 4: Simplify right side
    180,190.17x = 18,344,562,299.79
  5. Step 5: Solve for x
    x = 18,344,562,299.79/180,190.17
  6. Step 6: Final answer
    x = 101,806.68

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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.