Home / 197,136.30-295,704.45-91,965.90

Finding the Fourth Proportional to 197,136.30, 295,704.45 and 91,965.90

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Solution

The fourth proportional to 197,136.30, 295,704.45 and 91,965.90 is: 137,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,136.30 : 295,704.45 = 91,965.90 : x
  2. Step 2: Convert to fraction form
    197,136.30/295,704.45 = 91,965.90/x
  3. Step 3: Cross multiply
    197,136.30x = 295,704.45 × 91,965.90
  4. Step 4: Simplify right side
    197,136.30x = 27,194,725,878.26
  5. Step 5: Solve for x
    x = 27,194,725,878.26/197,136.30
  6. Step 6: Final answer
    x = 137,948.85

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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.