Home / 187,673.92-280,804.59-131,623.43

Finding the Fourth Proportional to 187,673.92, 280,804.59 and 131,623.43

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Solution

The fourth proportional to 187,673.92, 280,804.59 and 131,623.43 is: 196,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.92 : 280,804.59 = 131,623.43 : x
  2. Step 2: Convert to fraction form
    187,673.92/280,804.59 = 131,623.43/x
  3. Step 3: Cross multiply
    187,673.92x = 280,804.59 × 131,623.43
  4. Step 4: Simplify right side
    187,673.92x = 36,960,461,891.52
  5. Step 5: Solve for x
    x = 36,960,461,891.52/187,673.92
  6. Step 6: Final answer
    x = 196,939.79

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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.