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Finding the Fourth Proportional to 119,468.72, 179,078.06 and 44,558.76

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Solution

The fourth proportional to 119,468.72, 179,078.06 and 44,558.76 is: 66,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,468.72 : 179,078.06 = 44,558.76 : x
  2. Step 2: Convert to fraction form
    119,468.72/179,078.06 = 44,558.76/x
  3. Step 3: Cross multiply
    119,468.72x = 179,078.06 × 44,558.76
  4. Step 4: Simplify right side
    119,468.72x = 7,979,496,296.81
  5. Step 5: Solve for x
    x = 7,979,496,296.81/119,468.72
  6. Step 6: Final answer
    x = 66,791.51

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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.