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Finding the Fourth Proportional to 67,107.30, 100,673.64 and 22,131.24

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Solution

The fourth proportional to 67,107.30, 100,673.64 and 22,131.24 is: 33,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.30 : 100,673.64 = 22,131.24 : x
  2. Step 2: Convert to fraction form
    67,107.30/100,673.64 = 22,131.24/x
  3. Step 3: Cross multiply
    67,107.30x = 100,673.64 × 22,131.24
  4. Step 4: Simplify right side
    67,107.30x = 2,228,032,488.51
  5. Step 5: Solve for x
    x = 2,228,032,488.51/67,107.30
  6. Step 6: Final answer
    x = 33,201.05

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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.