Home / 187,669.41-280,797.84-131,618.93

Finding the Fourth Proportional to 187,669.41, 280,797.84 and 131,618.93

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Solution

The fourth proportional to 187,669.41, 280,797.84 and 131,618.93 is: 196,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,669.41 : 280,797.84 = 131,618.93 : x
  2. Step 2: Convert to fraction form
    187,669.41/280,797.84 = 131,618.93/x
  3. Step 3: Cross multiply
    187,669.41x = 280,797.84 × 131,618.93
  4. Step 4: Simplify right side
    187,669.41x = 36,958,309,843.12
  5. Step 5: Solve for x
    x = 36,958,309,843.12/187,669.41
  6. Step 6: Final answer
    x = 196,933.06

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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.