Home / 156,247.12-215,621.22-84,627.73

Finding the Fourth Proportional to 156,247.12, 215,621.22 and 84,627.73

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Solution

The fourth proportional to 156,247.12, 215,621.22 and 84,627.73 is: 116,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,247.12 : 215,621.22 = 84,627.73 : x
  2. Step 2: Convert to fraction form
    156,247.12/215,621.22 = 84,627.73/x
  3. Step 3: Cross multiply
    156,247.12x = 215,621.22 × 84,627.73
  4. Step 4: Simplify right side
    156,247.12x = 18,247,534,388.43
  5. Step 5: Solve for x
    x = 18,247,534,388.43/156,247.12
  6. Step 6: Final answer
    x = 116,786.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.