Home / 203,091.82-304,917.24-103,319.50

Finding the Fourth Proportional to 203,091.82, 304,917.24 and 103,319.50

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Solution

The fourth proportional to 203,091.82, 304,917.24 and 103,319.50 is: 155,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,091.82 : 304,917.24 = 103,319.50 : x
  2. Step 2: Convert to fraction form
    203,091.82/304,917.24 = 103,319.50/x
  3. Step 3: Cross multiply
    203,091.82x = 304,917.24 × 103,319.50
  4. Step 4: Simplify right side
    203,091.82x = 31,503,896,778.18
  5. Step 5: Solve for x
    x = 31,503,896,778.18/203,091.82
  6. Step 6: Final answer
    x = 155,121.45

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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.