Home / 80,146.31-120,230.40-33,388.25

Finding the Fourth Proportional to 80,146.31, 120,230.40 and 33,388.25

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Solution

The fourth proportional to 80,146.31, 120,230.40 and 33,388.25 is: 50,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,146.31 : 120,230.40 = 33,388.25 : x
  2. Step 2: Convert to fraction form
    80,146.31/120,230.40 = 33,388.25/x
  3. Step 3: Cross multiply
    80,146.31x = 120,230.40 × 33,388.25
  4. Step 4: Simplify right side
    80,146.31x = 4,014,282,652.80
  5. Step 5: Solve for x
    x = 4,014,282,652.80/80,146.31
  6. Step 6: Final answer
    x = 50,086.93

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1.5x scale

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.