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Finding the Fourth Proportional to 111,224.51, 166,844.55 and 44,664.64

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Solution

The fourth proportional to 111,224.51, 166,844.55 and 44,664.64 is: 67,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224.51 : 166,844.55 = 44,664.64 : x
  2. Step 2: Convert to fraction form
    111,224.51/166,844.55 = 44,664.64/x
  3. Step 3: Cross multiply
    111,224.51x = 166,844.55 × 44,664.64
  4. Step 4: Simplify right side
    111,224.51x = 7,452,051,761.71
  5. Step 5: Solve for x
    x = 7,452,051,761.71/111,224.51
  6. Step 6: Final answer
    x = 67,000.09

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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.