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Finding the Fourth Proportional to 132,372.10, 198,643.20 and 73,250.20

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Solution

The fourth proportional to 132,372.10, 198,643.20 and 73,250.20 is: 109,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.10 : 198,643.20 = 73,250.20 : x
  2. Step 2: Convert to fraction form
    132,372.10/198,643.20 = 73,250.20/x
  3. Step 3: Cross multiply
    132,372.10x = 198,643.20 × 73,250.20
  4. Step 4: Simplify right side
    132,372.10x = 14,550,654,128.64
  5. Step 5: Solve for x
    x = 14,550,654,128.64/132,372.10
  6. Step 6: Final answer
    x = 109,922.36

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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.