Home / 445,116.15-667,675.05-108,157.08

Finding the Fourth Proportional to 445,116.15, 667,675.05 and 108,157.08

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Solution

The fourth proportional to 445,116.15, 667,675.05 and 108,157.08 is: 162,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,116.15 : 667,675.05 = 108,157.08 : x
  2. Step 2: Convert to fraction form
    445,116.15/667,675.05 = 108,157.08/x
  3. Step 3: Cross multiply
    445,116.15x = 667,675.05 × 108,157.08
  4. Step 4: Simplify right side
    445,116.15x = 72,213,783,796.85
  5. Step 5: Solve for x
    x = 72,213,783,796.85/445,116.15
  6. Step 6: Final answer
    x = 162,235.82

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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.