Home / 208,065.03-311,846.57-101,288.94

Finding the Fourth Proportional to 208,065.03, 311,846.57 and 101,288.94

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Solution

The fourth proportional to 208,065.03, 311,846.57 and 101,288.94 is: 151,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,065.03 : 311,846.57 = 101,288.94 : x
  2. Step 2: Convert to fraction form
    208,065.03/311,846.57 = 101,288.94/x
  3. Step 3: Cross multiply
    208,065.03x = 311,846.57 × 101,288.94
  4. Step 4: Simplify right side
    208,065.03x = 31,586,606,958.70
  5. Step 5: Solve for x
    x = 31,586,606,958.70/208,065.03
  6. Step 6: Final answer
    x = 151,811.23

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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.