Home / 68,183.02-102,203.45-40,080.07

Finding the Fourth Proportional to 68,183.02, 102,203.45 and 40,080.07

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Solution

The fourth proportional to 68,183.02, 102,203.45 and 40,080.07 is: 60,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,183.02 : 102,203.45 = 40,080.07 : x
  2. Step 2: Convert to fraction form
    68,183.02/102,203.45 = 40,080.07/x
  3. Step 3: Cross multiply
    68,183.02x = 102,203.45 × 40,080.07
  4. Step 4: Simplify right side
    68,183.02x = 4,096,321,430.24
  5. Step 5: Solve for x
    x = 4,096,321,430.24/68,183.02
  6. Step 6: Final answer
    x = 60,078.32

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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.