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Finding the Fourth Proportional to 103,464.60, 155,160.45 and 36,906.90

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Solution

The fourth proportional to 103,464.60, 155,160.45 and 36,906.90 is: 55,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.60 : 155,160.45 = 36,906.90 : x
  2. Step 2: Convert to fraction form
    103,464.60/155,160.45 = 36,906.90/x
  3. Step 3: Cross multiply
    103,464.60x = 155,160.45 × 36,906.90
  4. Step 4: Simplify right side
    103,464.60x = 5,726,491,212.11
  5. Step 5: Solve for x
    x = 5,726,491,212.11/103,464.60
  6. Step 6: Final answer
    x = 55,347.35

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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.