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Finding the Fourth Proportional to 160,321.68, 240,504.36 and 66,805.56

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Solution

The fourth proportional to 160,321.68, 240,504.36 and 66,805.56 is: 100,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,321.68 : 240,504.36 = 66,805.56 : x
  2. Step 2: Convert to fraction form
    160,321.68/240,504.36 = 66,805.56/x
  3. Step 3: Cross multiply
    160,321.68x = 240,504.36 × 66,805.56
  4. Step 4: Simplify right side
    160,321.68x = 16,067,028,452.24
  5. Step 5: Solve for x
    x = 16,067,028,452.24/160,321.68
  6. Step 6: Final answer
    x = 100,217.44

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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.