Home / 132,273.21-182,538.35-71,845.03

Finding the Fourth Proportional to 132,273.21, 182,538.35 and 71,845.03

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Solution

The fourth proportional to 132,273.21, 182,538.35 and 71,845.03 is: 99,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,273.21 : 182,538.35 = 71,845.03 : x
  2. Step 2: Convert to fraction form
    132,273.21/182,538.35 = 71,845.03/x
  3. Step 3: Cross multiply
    132,273.21x = 182,538.35 × 71,845.03
  4. Step 4: Simplify right side
    132,273.21x = 13,114,473,231.90
  5. Step 5: Solve for x
    x = 13,114,473,231.90/132,273.21
  6. Step 6: Final answer
    x = 99,146.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.