Home / 211,996.20-317,832.30-106,890.60

Finding the Fourth Proportional to 211,996.20, 317,832.30 and 106,890.60

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Solution

The fourth proportional to 211,996.20, 317,832.30 and 106,890.60 is: 160,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,996.20 : 317,832.30 = 106,890.60 : x
  2. Step 2: Convert to fraction form
    211,996.20/317,832.30 = 106,890.60/x
  3. Step 3: Cross multiply
    211,996.20x = 317,832.30 × 106,890.60
  4. Step 4: Simplify right side
    211,996.20x = 33,973,285,246.38
  5. Step 5: Solve for x
    x = 33,973,285,246.38/211,996.20
  6. Step 6: Final answer
    x = 160,254.22

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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.