Home / 187,673.66-280,804.20-131,623.18

Finding the Fourth Proportional to 187,673.66, 280,804.20 and 131,623.18

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Solution

The fourth proportional to 187,673.66, 280,804.20 and 131,623.18 is: 196,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,673.66 : 280,804.20 = 131,623.18 : x
  2. Step 2: Convert to fraction form
    187,673.66/280,804.20 = 131,623.18/x
  3. Step 3: Cross multiply
    187,673.66x = 280,804.20 × 131,623.18
  4. Step 4: Simplify right side
    187,673.66x = 36,960,341,761.36
  5. Step 5: Solve for x
    x = 36,960,341,761.36/187,673.66
  6. Step 6: Final answer
    x = 196,939.42

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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.