Home / 445,323.32-667,986.35-108,364.03

Finding the Fourth Proportional to 445,323.32, 667,986.35 and 108,364.03

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Solution

The fourth proportional to 445,323.32, 667,986.35 and 108,364.03 is: 162,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,323.32 : 667,986.35 = 108,364.03 : x
  2. Step 2: Convert to fraction form
    445,323.32/667,986.35 = 108,364.03/x
  3. Step 3: Cross multiply
    445,323.32x = 667,986.35 × 108,364.03
  4. Step 4: Simplify right side
    445,323.32x = 72,385,690,659.20
  5. Step 5: Solve for x
    x = 72,385,690,659.20/445,323.32
  6. Step 6: Final answer
    x = 162,546.37

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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.