Home / 445,150.65-667,720.01-108,190.34

Finding the Fourth Proportional to 445,150.65, 667,720.01 and 108,190.34

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Solution

The fourth proportional to 445,150.65, 667,720.01 and 108,190.34 is: 162,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,150.65 : 667,720.01 = 108,190.34 : x
  2. Step 2: Convert to fraction form
    445,150.65/667,720.01 = 108,190.34/x
  3. Step 3: Cross multiply
    445,150.65x = 667,720.01 × 108,190.34
  4. Step 4: Simplify right side
    445,150.65x = 72,240,851,027.15
  5. Step 5: Solve for x
    x = 72,240,851,027.15/445,150.65
  6. Step 6: Final answer
    x = 162,284.05

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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.