Home / 148,056.96-204,321.60-80,993.28

Finding the Fourth Proportional to 148,056.96, 204,321.60 and 80,993.28

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Solution

The fourth proportional to 148,056.96, 204,321.60 and 80,993.28 is: 111,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,056.96 : 204,321.60 = 80,993.28 : x
  2. Step 2: Convert to fraction form
    148,056.96/204,321.60 = 80,993.28/x
  3. Step 3: Cross multiply
    148,056.96x = 204,321.60 × 80,993.28
  4. Step 4: Simplify right side
    148,056.96x = 16,548,676,558.85
  5. Step 5: Solve for x
    x = 16,548,676,558.85/148,056.96
  6. Step 6: Final answer
    x = 111,772.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.