Home / 132,421.82-182,745.63-71,996.54

Finding the Fourth Proportional to 132,421.82, 182,745.63 and 71,996.54

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Solution

The fourth proportional to 132,421.82, 182,745.63 and 71,996.54 is: 99,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,421.82 : 182,745.63 = 71,996.54 : x
  2. Step 2: Convert to fraction form
    132,421.82/182,745.63 = 71,996.54/x
  3. Step 3: Cross multiply
    132,421.82x = 182,745.63 × 71,996.54
  4. Step 4: Simplify right side
    132,421.82x = 13,157,052,146.39
  5. Step 5: Solve for x
    x = 13,157,052,146.39/132,421.82
  6. Step 6: Final answer
    x = 99,357.13

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1.5x scale

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.