Home / 208,240.89-311,945.12-95,766.98

Finding the Fourth Proportional to 208,240.89, 311,945.12 and 95,766.98

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Solution

The fourth proportional to 208,240.89, 311,945.12 and 95,766.98 is: 143,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,240.89 : 311,945.12 = 95,766.98 : x
  2. Step 2: Convert to fraction form
    208,240.89/311,945.12 = 95,766.98/x
  3. Step 3: Cross multiply
    208,240.89x = 311,945.12 × 95,766.98
  4. Step 4: Simplify right side
    208,240.89x = 29,874,040,927.39
  5. Step 5: Solve for x
    x = 29,874,040,927.39/208,240.89
  6. Step 6: Final answer
    x = 143,459.05

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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.