Home / 68,086.73-102,130.14-21,343.25

Finding the Fourth Proportional to 68,086.73, 102,130.14 and 21,343.25

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Solution

The fourth proportional to 68,086.73, 102,130.14 and 21,343.25 is: 32,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086.73 : 102,130.14 = 21,343.25 : x
  2. Step 2: Convert to fraction form
    68,086.73/102,130.14 = 21,343.25/x
  3. Step 3: Cross multiply
    68,086.73x = 102,130.14 × 21,343.25
  4. Step 4: Simplify right side
    68,086.73x = 2,179,789,110.56
  5. Step 5: Solve for x
    x = 2,179,789,110.56/68,086.73
  6. Step 6: Final answer
    x = 32,014.89

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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.