Home / 207,736.09-311,487.22-65,554.87

Finding the Fourth Proportional to 207,736.09, 311,487.22 and 65,554.87

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Solution

The fourth proportional to 207,736.09, 311,487.22 and 65,554.87 is: 98,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,736.09 : 311,487.22 = 65,554.87 : x
  2. Step 2: Convert to fraction form
    207,736.09/311,487.22 = 65,554.87/x
  3. Step 3: Cross multiply
    207,736.09x = 311,487.22 × 65,554.87
  4. Step 4: Simplify right side
    207,736.09x = 20,419,504,101.03
  5. Step 5: Solve for x
    x = 20,419,504,101.03/207,736.09
  6. Step 6: Final answer
    x = 98,295.41

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1.5x scale

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.