Home / 68,144.67-102,233.40-28,713.06

Finding the Fourth Proportional to 68,144.67, 102,233.40 and 28,713.06

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Solution

The fourth proportional to 68,144.67, 102,233.40 and 28,713.06 is: 43,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144.67 : 102,233.40 = 28,713.06 : x
  2. Step 2: Convert to fraction form
    68,144.67/102,233.40 = 28,713.06/x
  3. Step 3: Cross multiply
    68,144.67x = 102,233.40 × 28,713.06
  4. Step 4: Simplify right side
    68,144.67x = 2,935,433,748.20
  5. Step 5: Solve for x
    x = 2,935,433,748.20/68,144.67
  6. Step 6: Final answer
    x = 43,076.50

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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.