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Finding the Fourth Proportional to 100,383.83, 150,374.96 and 60,380.72

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Solution

The fourth proportional to 100,383.83, 150,374.96 and 60,380.72 is: 90,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,383.83 : 150,374.96 = 60,380.72 : x
  2. Step 2: Convert to fraction form
    100,383.83/150,374.96 = 60,380.72/x
  3. Step 3: Cross multiply
    100,383.83x = 150,374.96 × 60,380.72
  4. Step 4: Simplify right side
    100,383.83x = 9,079,747,300.99
  5. Step 5: Solve for x
    x = 9,079,747,300.99/100,383.83
  6. Step 6: Final answer
    x = 90,450.30

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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.