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Finding the Fourth Proportional to 136,067.70, 204,004 and 63,980.26

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Solution

The fourth proportional to 136,067.70, 204,004 and 63,980.26 is: 95,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067.70 : 204,004 = 63,980.26 : x
  2. Step 2: Convert to fraction form
    136,067.70/204,004 = 63,980.26/x
  3. Step 3: Cross multiply
    136,067.70x = 204,004 × 63,980.26
  4. Step 4: Simplify right side
    136,067.70x = 13,052,228,961.04
  5. Step 5: Solve for x
    x = 13,052,228,961.04/136,067.70
  6. Step 6: Final answer
    x = 95,924.52

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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.