Home / 207,566.73-311,468.49-81,217.26

Finding the Fourth Proportional to 207,566.73, 311,468.49 and 81,217.26

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Solution

The fourth proportional to 207,566.73, 311,468.49 and 81,217.26 is: 121,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,566.73 : 311,468.49 = 81,217.26 : x
  2. Step 2: Convert to fraction form
    207,566.73/311,468.49 = 81,217.26/x
  3. Step 3: Cross multiply
    207,566.73x = 311,468.49 × 81,217.26
  4. Step 4: Simplify right side
    207,566.73x = 25,296,617,334.14
  5. Step 5: Solve for x
    x = 25,296,617,334.14/207,566.73
  6. Step 6: Final answer
    x = 121,872.22

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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.