Home / 99,735.20-149,633.84-29,614.88

Finding the Fourth Proportional to 99,735.20, 149,633.84 and 29,614.88

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Solution

The fourth proportional to 99,735.20, 149,633.84 and 29,614.88 is: 44,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.20 : 149,633.84 = 29,614.88 : x
  2. Step 2: Convert to fraction form
    99,735.20/149,633.84 = 29,614.88/x
  3. Step 3: Cross multiply
    99,735.20x = 149,633.84 × 29,614.88
  4. Step 4: Simplify right side
    99,735.20x = 4,431,388,215.54
  5. Step 5: Solve for x
    x = 4,431,388,215.54/99,735.20
  6. Step 6: Final answer
    x = 44,431.54

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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.