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Finding the Fourth Proportional to 119,591.91, 179,286.01 and 52,995.74

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Solution

The fourth proportional to 119,591.91, 179,286.01 and 52,995.74 is: 79,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,591.91 : 179,286.01 = 52,995.74 : x
  2. Step 2: Convert to fraction form
    119,591.91/179,286.01 = 52,995.74/x
  3. Step 3: Cross multiply
    119,591.91x = 179,286.01 × 52,995.74
  4. Step 4: Simplify right side
    119,591.91x = 9,501,393,742.68
  5. Step 5: Solve for x
    x = 9,501,393,742.68/119,591.91
  6. Step 6: Final answer
    x = 79,448.47

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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.