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Finding the Fourth Proportional to 119,672.27, 179,639.66 and 49,600.79

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Solution

The fourth proportional to 119,672.27, 179,639.66 and 49,600.79 is: 74,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,672.27 : 179,639.66 = 49,600.79 : x
  2. Step 2: Convert to fraction form
    119,672.27/179,639.66 = 49,600.79/x
  3. Step 3: Cross multiply
    119,672.27x = 179,639.66 × 49,600.79
  4. Step 4: Simplify right side
    119,672.27x = 8,910,268,277.14
  5. Step 5: Solve for x
    x = 8,910,268,277.14/119,672.27
  6. Step 6: Final answer
    x = 74,455.58

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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.