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Finding the Fourth Proportional to 110,867.60, 166,252.80 and 44,285.60

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Solution

The fourth proportional to 110,867.60, 166,252.80 and 44,285.60 is: 66,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,867.60 : 166,252.80 = 44,285.60 : x
  2. Step 2: Convert to fraction form
    110,867.60/166,252.80 = 44,285.60/x
  3. Step 3: Cross multiply
    110,867.60x = 166,252.80 × 44,285.60
  4. Step 4: Simplify right side
    110,867.60x = 7,362,604,999.68
  5. Step 5: Solve for x
    x = 7,362,604,999.68/110,867.60
  6. Step 6: Final answer
    x = 66,408.99

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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.