Home / 182,120.20-273,114.69-76,947.37

Finding the Fourth Proportional to 182,120.20, 273,114.69 and 76,947.37

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Solution

The fourth proportional to 182,120.20, 273,114.69 and 76,947.37 is: 115,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,120.20 : 273,114.69 = 76,947.37 : x
  2. Step 2: Convert to fraction form
    182,120.20/273,114.69 = 76,947.37/x
  3. Step 3: Cross multiply
    182,120.20x = 273,114.69 × 76,947.37
  4. Step 4: Simplify right side
    182,120.20x = 21,015,456,132.53
  5. Step 5: Solve for x
    x = 21,015,456,132.53/182,120.20
  6. Step 6: Final answer
    x = 115,393.33

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1.5x scale

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.