Home / 131,496.30-197,135.10-69,166.80

Finding the Fourth Proportional to 131,496.30, 197,135.10 and 69,166.80

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Solution

The fourth proportional to 131,496.30, 197,135.10 and 69,166.80 is: 103,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496.30 : 197,135.10 = 69,166.80 : x
  2. Step 2: Convert to fraction form
    131,496.30/197,135.10 = 69,166.80/x
  3. Step 3: Cross multiply
    131,496.30x = 197,135.10 × 69,166.80
  4. Step 4: Simplify right side
    131,496.30x = 13,635,204,034.68
  5. Step 5: Solve for x
    x = 13,635,204,034.68/131,496.30
  6. Step 6: Final answer
    x = 103,692.68

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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.