Home / 68,047.47-102,063.06-18,131.22

Finding the Fourth Proportional to 68,047.47, 102,063.06 and 18,131.22

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Solution

The fourth proportional to 68,047.47, 102,063.06 and 18,131.22 is: 27,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.47 : 102,063.06 = 18,131.22 : x
  2. Step 2: Convert to fraction form
    68,047.47/102,063.06 = 18,131.22/x
  3. Step 3: Cross multiply
    68,047.47x = 102,063.06 × 18,131.22
  4. Step 4: Simplify right side
    68,047.47x = 1,850,527,794.73
  5. Step 5: Solve for x
    x = 1,850,527,794.73/68,047.47
  6. Step 6: Final answer
    x = 27,194.66

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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.