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Finding the Fourth Proportional to 132,173.10, 182,393.94 and 71,742.45

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Solution

The fourth proportional to 132,173.10, 182,393.94 and 71,742.45 is: 99,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.10 : 182,393.94 = 71,742.45 : x
  2. Step 2: Convert to fraction form
    132,173.10/182,393.94 = 71,742.45/x
  3. Step 3: Cross multiply
    132,173.10x = 182,393.94 × 71,742.45
  4. Step 4: Simplify right side
    132,173.10x = 13,085,388,120.75
  5. Step 5: Solve for x
    x = 13,085,388,120.75/132,173.10
  6. Step 6: Final answer
    x = 99,001.90

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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.