Home / 80,127.20-120,210.48-27,537.44

Finding the Fourth Proportional to 80,127.20, 120,210.48 and 27,537.44

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Solution

The fourth proportional to 80,127.20, 120,210.48 and 27,537.44 is: 41,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,127.20 : 120,210.48 = 27,537.44 : x
  2. Step 2: Convert to fraction form
    80,127.20/120,210.48 = 27,537.44/x
  3. Step 3: Cross multiply
    80,127.20x = 120,210.48 × 27,537.44
  4. Step 4: Simplify right side
    80,127.20x = 3,310,288,880.37
  5. Step 5: Solve for x
    x = 3,310,288,880.37/80,127.20
  6. Step 6: Final answer
    x = 41,312.92

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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.