Home / 122,887.20-184,321.92-47,993.28

Finding the Fourth Proportional to 122,887.20, 184,321.92 and 47,993.28

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Solution

The fourth proportional to 122,887.20, 184,321.92 and 47,993.28 is: 71,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,887.20 : 184,321.92 = 47,993.28 : x
  2. Step 2: Convert to fraction form
    122,887.20/184,321.92 = 47,993.28/x
  3. Step 3: Cross multiply
    122,887.20x = 184,321.92 × 47,993.28
  4. Step 4: Simplify right side
    122,887.20x = 8,846,213,516.70
  5. Step 5: Solve for x
    x = 8,846,213,516.70/122,887.20
  6. Step 6: Final answer
    x = 71,986.45

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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.