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Finding the Fourth Proportional to 125,773.86, 188,661.09 and 37,028.44

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Solution

The fourth proportional to 125,773.86, 188,661.09 and 37,028.44 is: 55,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,773.86 : 188,661.09 = 37,028.44 : x
  2. Step 2: Convert to fraction form
    125,773.86/188,661.09 = 37,028.44/x
  3. Step 3: Cross multiply
    125,773.86x = 188,661.09 × 37,028.44
  4. Step 4: Simplify right side
    125,773.86x = 6,985,824,908.09
  5. Step 5: Solve for x
    x = 6,985,824,908.09/125,773.86
  6. Step 6: Final answer
    x = 55,542.74

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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.