Home / 107,998.20-161,867.70-55,380.60

Finding the Fourth Proportional to 107,998.20, 161,867.70 and 55,380.60

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Solution

The fourth proportional to 107,998.20, 161,867.70 and 55,380.60 is: 83,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,998.20 : 161,867.70 = 55,380.60 : x
  2. Step 2: Convert to fraction form
    107,998.20/161,867.70 = 55,380.60/x
  3. Step 3: Cross multiply
    107,998.20x = 161,867.70 × 55,380.60
  4. Step 4: Simplify right side
    107,998.20x = 8,964,330,346.62
  5. Step 5: Solve for x
    x = 8,964,330,346.62/107,998.20
  6. Step 6: Final answer
    x = 83,004.44

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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.