Home / 81,599.20-122,165.20-50,223.20

Finding the Fourth Proportional to 81,599.20, 122,165.20 and 50,223.20

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Solution

The fourth proportional to 81,599.20, 122,165.20 and 50,223.20 is: 75,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,599.20 : 122,165.20 = 50,223.20 : x
  2. Step 2: Convert to fraction form
    81,599.20/122,165.20 = 50,223.20/x
  3. Step 3: Cross multiply
    81,599.20x = 122,165.20 × 50,223.20
  4. Step 4: Simplify right side
    81,599.20x = 6,135,527,272.64
  5. Step 5: Solve for x
    x = 6,135,527,272.64/81,599.20
  6. Step 6: Final answer
    x = 75,191.02

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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.