Home / 211,942.20-317,623.86-106,832.28

Finding the Fourth Proportional to 211,942.20, 317,623.86 and 106,832.28

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Solution

The fourth proportional to 211,942.20, 317,623.86 and 106,832.28 is: 160,102.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,942.20 : 317,623.86 = 106,832.28 : x
  2. Step 2: Convert to fraction form
    211,942.20/317,623.86 = 106,832.28/x
  3. Step 3: Cross multiply
    211,942.20x = 317,623.86 × 106,832.28
  4. Step 4: Simplify right side
    211,942.20x = 33,932,481,146.20
  5. Step 5: Solve for x
    x = 33,932,481,146.20/211,942.20
  6. Step 6: Final answer
    x = 160,102.52

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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.