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Finding the Fourth Proportional to 179,535.87, 269,274.60 and 84,765.87

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Solution

The fourth proportional to 179,535.87, 269,274.60 and 84,765.87 is: 127,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,535.87 : 269,274.60 = 84,765.87 : x
  2. Step 2: Convert to fraction form
    179,535.87/269,274.60 = 84,765.87/x
  3. Step 3: Cross multiply
    179,535.87x = 269,274.60 × 84,765.87
  4. Step 4: Simplify right side
    179,535.87x = 22,825,295,737.90
  5. Step 5: Solve for x
    x = 22,825,295,737.90/179,535.87
  6. Step 6: Final answer
    x = 127,135.02

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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.