Home / 148,825.02-205,380.06-80,843.32

Finding the Fourth Proportional to 148,825.02, 205,380.06 and 80,843.32

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Solution

The fourth proportional to 148,825.02, 205,380.06 and 80,843.32 is: 111,564.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,825.02 : 205,380.06 = 80,843.32 : x
  2. Step 2: Convert to fraction form
    148,825.02/205,380.06 = 80,843.32/x
  3. Step 3: Cross multiply
    148,825.02x = 205,380.06 × 80,843.32
  4. Step 4: Simplify right side
    148,825.02x = 16,603,605,912.20
  5. Step 5: Solve for x
    x = 16,603,605,912.20/148,825.02
  6. Step 6: Final answer
    x = 111,564.61

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1.5x scale

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.