Home / 207,912.38-311,821.53-95,484.51

Finding the Fourth Proportional to 207,912.38, 311,821.53 and 95,484.51

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Solution

The fourth proportional to 207,912.38, 311,821.53 and 95,484.51 is: 143,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,912.38 : 311,821.53 = 95,484.51 : x
  2. Step 2: Convert to fraction form
    207,912.38/311,821.53 = 95,484.51/x
  3. Step 3: Cross multiply
    207,912.38x = 311,821.53 × 95,484.51
  4. Step 4: Simplify right side
    207,912.38x = 29,774,127,511.87
  5. Step 5: Solve for x
    x = 29,774,127,511.87/207,912.38
  6. Step 6: Final answer
    x = 143,205.17

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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.