Home / 207,965.10-311,794.05-83,241.90

Finding the Fourth Proportional to 207,965.10, 311,794.05 and 83,241.90

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Solution

The fourth proportional to 207,965.10, 311,794.05 and 83,241.90 is: 124,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,965.10 : 311,794.05 = 83,241.90 : x
  2. Step 2: Convert to fraction form
    207,965.10/311,794.05 = 83,241.90/x
  3. Step 3: Cross multiply
    207,965.10x = 311,794.05 × 83,241.90
  4. Step 4: Simplify right side
    207,965.10x = 25,954,329,130.70
  5. Step 5: Solve for x
    x = 25,954,329,130.70/207,965.10
  6. Step 6: Final answer
    x = 124,801.37

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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.