Home / 207,441.71-311,093.23-81,049.17

Finding the Fourth Proportional to 207,441.71, 311,093.23 and 81,049.17

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Solution

The fourth proportional to 207,441.71, 311,093.23 and 81,049.17 is: 121,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,441.71 : 311,093.23 = 81,049.17 : x
  2. Step 2: Convert to fraction form
    207,441.71/311,093.23 = 81,049.17/x
  3. Step 3: Cross multiply
    207,441.71x = 311,093.23 × 81,049.17
  4. Step 4: Simplify right side
    207,441.71x = 25,213,848,084.12
  5. Step 5: Solve for x
    x = 25,213,848,084.12/207,441.71
  6. Step 6: Final answer
    x = 121,546.67

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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.