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Finding the Fourth Proportional to 97,229.80, 145,860.90 and 38,067.40

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Solution

The fourth proportional to 97,229.80, 145,860.90 and 38,067.40 is: 57,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,229.80 : 145,860.90 = 38,067.40 : x
  2. Step 2: Convert to fraction form
    97,229.80/145,860.90 = 38,067.40/x
  3. Step 3: Cross multiply
    97,229.80x = 145,860.90 × 38,067.40
  4. Step 4: Simplify right side
    97,229.80x = 5,552,545,224.66
  5. Step 5: Solve for x
    x = 5,552,545,224.66/97,229.80
  6. Step 6: Final answer
    x = 57,107.44

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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.