Home / 136,136.83-187,841.29-79,537.27

Finding the Fourth Proportional to 136,136.83, 187,841.29 and 79,537.27

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Solution

The fourth proportional to 136,136.83, 187,841.29 and 79,537.27 is: 109,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,136.83 : 187,841.29 = 79,537.27 : x
  2. Step 2: Convert to fraction form
    136,136.83/187,841.29 = 79,537.27/x
  3. Step 3: Cross multiply
    136,136.83x = 187,841.29 × 79,537.27
  4. Step 4: Simplify right side
    136,136.83x = 14,940,383,399.88
  5. Step 5: Solve for x
    x = 14,940,383,399.88/136,136.83
  6. Step 6: Final answer
    x = 109,745.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.