Home / 148,074.44-204,344.34-81,005

Finding the Fourth Proportional to 148,074.44, 204,344.34 and 81,005

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Solution

The fourth proportional to 148,074.44, 204,344.34 and 81,005 is: 111,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,074.44 : 204,344.34 = 81,005 : x
  2. Step 2: Convert to fraction form
    148,074.44/204,344.34 = 81,005/x
  3. Step 3: Cross multiply
    148,074.44x = 204,344.34 × 81,005
  4. Step 4: Simplify right side
    148,074.44x = 16,552,913,261.70
  5. Step 5: Solve for x
    x = 16,552,913,261.70/148,074.44
  6. Step 6: Final answer
    x = 111,787.78

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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.