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Finding the Fourth Proportional to 180,161.98, 270,072.56 and 80,267.11

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Solution

The fourth proportional to 180,161.98, 270,072.56 and 80,267.11 is: 120,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,161.98 : 270,072.56 = 80,267.11 : x
  2. Step 2: Convert to fraction form
    180,161.98/270,072.56 = 80,267.11/x
  3. Step 3: Cross multiply
    180,161.98x = 270,072.56 × 80,267.11
  4. Step 4: Simplify right side
    180,161.98x = 21,677,943,406.99
  5. Step 5: Solve for x
    x = 21,677,943,406.99/180,161.98
  6. Step 6: Final answer
    x = 120,324.74

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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.