Home / 209,936.88-315,087.30-110,167.56

Finding the Fourth Proportional to 209,936.88, 315,087.30 and 110,167.56

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Solution

The fourth proportional to 209,936.88, 315,087.30 and 110,167.56 is: 165,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,936.88 : 315,087.30 = 110,167.56 : x
  2. Step 2: Convert to fraction form
    209,936.88/315,087.30 = 110,167.56/x
  3. Step 3: Cross multiply
    209,936.88x = 315,087.30 × 110,167.56
  4. Step 4: Simplify right side
    209,936.88x = 34,712,399,027.99
  5. Step 5: Solve for x
    x = 34,712,399,027.99/209,936.88
  6. Step 6: Final answer
    x = 165,346.84

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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.