Home / 99,694.11-149,480.91-39,731.82

Finding the Fourth Proportional to 99,694.11, 149,480.91 and 39,731.82

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Solution

The fourth proportional to 99,694.11, 149,480.91 and 39,731.82 is: 59,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,694.11 : 149,480.91 = 39,731.82 : x
  2. Step 2: Convert to fraction form
    99,694.11/149,480.91 = 39,731.82/x
  3. Step 3: Cross multiply
    99,694.11x = 149,480.91 × 39,731.82
  4. Step 4: Simplify right side
    99,694.11x = 5,939,148,609.56
  5. Step 5: Solve for x
    x = 5,939,148,609.56/99,694.11
  6. Step 6: Final answer
    x = 59,573.72

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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.