Home / 156,245.22-215,618.70-84,625.29

Finding the Fourth Proportional to 156,245.22, 215,618.70 and 84,625.29

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Solution

The fourth proportional to 156,245.22, 215,618.70 and 84,625.29 is: 116,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,245.22 : 215,618.70 = 84,625.29 : x
  2. Step 2: Convert to fraction form
    156,245.22/215,618.70 = 84,625.29/x
  3. Step 3: Cross multiply
    156,245.22x = 215,618.70 × 84,625.29
  4. Step 4: Simplify right side
    156,245.22x = 18,246,795,016.92
  5. Step 5: Solve for x
    x = 18,246,795,016.92/156,245.22
  6. Step 6: Final answer
    x = 116,783.06

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Why These Related Problems?

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