Home / 132,408.37-182,727.11-71,983.11

Finding the Fourth Proportional to 132,408.37, 182,727.11 and 71,983.11

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Solution

The fourth proportional to 132,408.37, 182,727.11 and 71,983.11 is: 99,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,408.37 : 182,727.11 = 71,983.11 : x
  2. Step 2: Convert to fraction form
    132,408.37/182,727.11 = 71,983.11/x
  3. Step 3: Cross multiply
    132,408.37x = 182,727.11 × 71,983.11
  4. Step 4: Simplify right side
    132,408.37x = 13,153,265,659.11
  5. Step 5: Solve for x
    x = 13,153,265,659.11/132,408.37
  6. Step 6: Final answer
    x = 99,338.63

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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.