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Finding the Fourth Proportional to 132,185.52, 182,420.10 and 75,615.12

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Solution

The fourth proportional to 132,185.52, 182,420.10 and 75,615.12 is: 104,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,185.52 : 182,420.10 = 75,615.12 : x
  2. Step 2: Convert to fraction form
    132,185.52/182,420.10 = 75,615.12/x
  3. Step 3: Cross multiply
    132,185.52x = 182,420.10 × 75,615.12
  4. Step 4: Simplify right side
    132,185.52x = 13,793,717,751.91
  5. Step 5: Solve for x
    x = 13,793,717,751.91/132,185.52
  6. Step 6: Final answer
    x = 104,351.20

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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.