Home / 187,000.24-280,490.82-68,662.48

Finding the Fourth Proportional to 187,000.24, 280,490.82 and 68,662.48

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Solution

The fourth proportional to 187,000.24, 280,490.82 and 68,662.48 is: 102,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,000.24 : 280,490.82 = 68,662.48 : x
  2. Step 2: Convert to fraction form
    187,000.24/280,490.82 = 68,662.48/x
  3. Step 3: Cross multiply
    187,000.24x = 280,490.82 × 68,662.48
  4. Step 4: Simplify right side
    187,000.24x = 19,259,195,318.43
  5. Step 5: Solve for x
    x = 19,259,195,318.43/187,000.24
  6. Step 6: Final answer
    x = 102,990.22

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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.