Home / 68,029.67-102,050.28-18,109.78

Finding the Fourth Proportional to 68,029.67, 102,050.28 and 18,109.78

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Solution

The fourth proportional to 68,029.67, 102,050.28 and 18,109.78 is: 27,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.67 : 102,050.28 = 18,109.78 : x
  2. Step 2: Convert to fraction form
    68,029.67/102,050.28 = 18,109.78/x
  3. Step 3: Cross multiply
    68,029.67x = 102,050.28 × 18,109.78
  4. Step 4: Simplify right side
    68,029.67x = 1,848,107,864.61
  5. Step 5: Solve for x
    x = 1,848,107,864.61/68,029.67
  6. Step 6: Final answer
    x = 27,166.20

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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.