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Finding the Fourth Proportional to 119,583, 179,452.26 and 45,711

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Solution

The fourth proportional to 119,583, 179,452.26 and 45,711 is: 68,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,583 : 179,452.26 = 45,711 : x
  2. Step 2: Convert to fraction form
    119,583/179,452.26 = 45,711/x
  3. Step 3: Cross multiply
    119,583x = 179,452.26 × 45,711
  4. Step 4: Simplify right side
    119,583x = 8,202,942,256.86
  5. Step 5: Solve for x
    x = 8,202,942,256.86/119,583
  6. Step 6: Final answer
    x = 68,596.22

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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.