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Finding the Fourth Proportional to 125,414.66, 188,183.51 and 58,860.20

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Solution

The fourth proportional to 125,414.66, 188,183.51 and 58,860.20 is: 88,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,414.66 : 188,183.51 = 58,860.20 : x
  2. Step 2: Convert to fraction form
    125,414.66/188,183.51 = 58,860.20/x
  3. Step 3: Cross multiply
    125,414.66x = 188,183.51 × 58,860.20
  4. Step 4: Simplify right side
    125,414.66x = 11,076,519,035.30
  5. Step 5: Solve for x
    x = 11,076,519,035.30/125,414.66
  6. Step 6: Final answer
    x = 88,319.17

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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.