Home / 135,212.72-202,508.54-67,537.03

Finding the Fourth Proportional to 135,212.72, 202,508.54 and 67,537.03

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Solution

The fourth proportional to 135,212.72, 202,508.54 and 67,537.03 is: 101,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,212.72 : 202,508.54 = 67,537.03 : x
  2. Step 2: Convert to fraction form
    135,212.72/202,508.54 = 67,537.03/x
  3. Step 3: Cross multiply
    135,212.72x = 202,508.54 × 67,537.03
  4. Step 4: Simplify right side
    135,212.72x = 13,676,823,991.01
  5. Step 5: Solve for x
    x = 13,676,823,991.01/135,212.72
  6. Step 6: Final answer
    x = 101,150.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.