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Finding the Fourth Proportional to 120,834.32, 166,797.84 and 80,533.37

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Solution

The fourth proportional to 120,834.32, 166,797.84 and 80,533.37 is: 111,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.32 : 166,797.84 = 80,533.37 : x
  2. Step 2: Convert to fraction form
    120,834.32/166,797.84 = 80,533.37/x
  3. Step 3: Cross multiply
    120,834.32x = 166,797.84 × 80,533.37
  4. Step 4: Simplify right side
    120,834.32x = 13,432,791,329.93
  5. Step 5: Solve for x
    x = 13,432,791,329.93/120,834.32
  6. Step 6: Final answer
    x = 111,167.03

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