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Finding the Fourth Proportional to 187,679.52, 281,519.28 and 63,108

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Solution

The fourth proportional to 187,679.52, 281,519.28 and 63,108 is: 94,662.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,679.52 : 281,519.28 = 63,108 : x
  2. Step 2: Convert to fraction form
    187,679.52/281,519.28 = 63,108/x
  3. Step 3: Cross multiply
    187,679.52x = 281,519.28 × 63,108
  4. Step 4: Simplify right side
    187,679.52x = 17,766,118,722.24
  5. Step 5: Solve for x
    x = 17,766,118,722.24/187,679.52
  6. Step 6: Final answer
    x = 94,662.00

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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.