Home / 81,609.20-122,180.20-50,233.20

Finding the Fourth Proportional to 81,609.20, 122,180.20 and 50,233.20

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Solution

The fourth proportional to 81,609.20, 122,180.20 and 50,233.20 is: 75,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,609.20 : 122,180.20 = 50,233.20 : x
  2. Step 2: Convert to fraction form
    81,609.20/122,180.20 = 50,233.20/x
  3. Step 3: Cross multiply
    81,609.20x = 122,180.20 × 50,233.20
  4. Step 4: Simplify right side
    81,609.20x = 6,137,502,422.64
  5. Step 5: Solve for x
    x = 6,137,502,422.64/81,609.20
  6. Step 6: Final answer
    x = 75,206.01

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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.