Home / 131,497.30-197,136.60-69,167.80

Finding the Fourth Proportional to 131,497.30, 197,136.60 and 69,167.80

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Solution

The fourth proportional to 131,497.30, 197,136.60 and 69,167.80 is: 103,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,497.30 : 197,136.60 = 69,167.80 : x
  2. Step 2: Convert to fraction form
    131,497.30/197,136.60 = 69,167.80/x
  3. Step 3: Cross multiply
    131,497.30x = 197,136.60 × 69,167.80
  4. Step 4: Simplify right side
    131,497.30x = 13,635,504,921.48
  5. Step 5: Solve for x
    x = 13,635,504,921.48/131,497.30
  6. Step 6: Final answer
    x = 103,694.18

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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.