Home / 106,997.30-160,435.20-40,439.60

Finding the Fourth Proportional to 106,997.30, 160,435.20 and 40,439.60

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Solution

The fourth proportional to 106,997.30, 160,435.20 and 40,439.60 is: 60,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,997.30 : 160,435.20 = 40,439.60 : x
  2. Step 2: Convert to fraction form
    106,997.30/160,435.20 = 40,439.60/x
  3. Step 3: Cross multiply
    106,997.30x = 160,435.20 × 40,439.60
  4. Step 4: Simplify right side
    106,997.30x = 6,487,935,313.92
  5. Step 5: Solve for x
    x = 6,487,935,313.92/106,997.30
  6. Step 6: Final answer
    x = 60,636.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.