Home / 100,065.05-150,149.31-43,944.60

Finding the Fourth Proportional to 100,065.05, 150,149.31 and 43,944.60

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Solution

The fourth proportional to 100,065.05, 150,149.31 and 43,944.60 is: 65,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,065.05 : 150,149.31 = 43,944.60 : x
  2. Step 2: Convert to fraction form
    100,065.05/150,149.31 = 43,944.60/x
  3. Step 3: Cross multiply
    100,065.05x = 150,149.31 × 43,944.60
  4. Step 4: Simplify right side
    100,065.05x = 6,598,251,148.50
  5. Step 5: Solve for x
    x = 6,598,251,148.50/100,065.05
  6. Step 6: Final answer
    x = 65,939.62

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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.