Home / 136,639.75-204,965.75-41,863

Finding the Fourth Proportional to 136,639.75, 204,965.75 and 41,863

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Solution

The fourth proportional to 136,639.75, 204,965.75 and 41,863 is: 62,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,639.75 : 204,965.75 = 41,863 : x
  2. Step 2: Convert to fraction form
    136,639.75/204,965.75 = 41,863/x
  3. Step 3: Cross multiply
    136,639.75x = 204,965.75 × 41,863
  4. Step 4: Simplify right side
    136,639.75x = 8,580,481,192.25
  5. Step 5: Solve for x
    x = 8,580,481,192.25/136,639.75
  6. Step 6: Final answer
    x = 62,796.38

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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.