Home / 136,731.58-204,822.64-68,136.22

Finding the Fourth Proportional to 136,731.58, 204,822.64 and 68,136.22

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Solution

The fourth proportional to 136,731.58, 204,822.64 and 68,136.22 is: 102,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,731.58 : 204,822.64 = 68,136.22 : x
  2. Step 2: Convert to fraction form
    136,731.58/204,822.64 = 68,136.22/x
  3. Step 3: Cross multiply
    136,731.58x = 204,822.64 × 68,136.22
  4. Step 4: Simplify right side
    136,731.58x = 13,955,840,801.22
  5. Step 5: Solve for x
    x = 13,955,840,801.22/136,731.58
  6. Step 6: Final answer
    x = 102,067.43

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1.5x scale

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.