Home / 82,197.62-123,296.46-19,868.12

Finding the Fourth Proportional to 82,197.62, 123,296.46 and 19,868.12

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Solution

The fourth proportional to 82,197.62, 123,296.46 and 19,868.12 is: 29,802.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,197.62 : 123,296.46 = 19,868.12 : x
  2. Step 2: Convert to fraction form
    82,197.62/123,296.46 = 19,868.12/x
  3. Step 3: Cross multiply
    82,197.62x = 123,296.46 × 19,868.12
  4. Step 4: Simplify right side
    82,197.62x = 2,449,668,862.86
  5. Step 5: Solve for x
    x = 2,449,668,862.86/82,197.62
  6. Step 6: Final answer
    x = 29,802.19

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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.