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Finding the Fourth Proportional to 173,195.40, 259,793.10 and 120,664.20

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Solution

The fourth proportional to 173,195.40, 259,793.10 and 120,664.20 is: 180,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,195.40 : 259,793.10 = 120,664.20 : x
  2. Step 2: Convert to fraction form
    173,195.40/259,793.10 = 120,664.20/x
  3. Step 3: Cross multiply
    173,195.40x = 259,793.10 × 120,664.20
  4. Step 4: Simplify right side
    173,195.40x = 31,347,726,577.02
  5. Step 5: Solve for x
    x = 31,347,726,577.02/173,195.40
  6. Step 6: Final answer
    x = 180,996.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.