Home / 68,188.02-102,296-28,745.20

Finding the Fourth Proportional to 68,188.02, 102,296 and 28,745.20

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Solution

The fourth proportional to 68,188.02, 102,296 and 28,745.20 is: 43,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,188.02 : 102,296 = 28,745.20 : x
  2. Step 2: Convert to fraction form
    68,188.02/102,296 = 28,745.20/x
  3. Step 3: Cross multiply
    68,188.02x = 102,296 × 28,745.20
  4. Step 4: Simplify right side
    68,188.02x = 2,940,518,979.20
  5. Step 5: Solve for x
    x = 2,940,518,979.20/68,188.02
  6. Step 6: Final answer
    x = 43,123.69

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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.