Home / 135,355.05-202,976.69-51,100.88

Finding the Fourth Proportional to 135,355.05, 202,976.69 and 51,100.88

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Solution

The fourth proportional to 135,355.05, 202,976.69 and 51,100.88 is: 76,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,355.05 : 202,976.69 = 51,100.88 : x
  2. Step 2: Convert to fraction form
    135,355.05/202,976.69 = 51,100.88/x
  3. Step 3: Cross multiply
    135,355.05x = 202,976.69 × 51,100.88
  4. Step 4: Simplify right side
    135,355.05x = 10,372,286,208.10
  5. Step 5: Solve for x
    x = 10,372,286,208.10/135,355.05
  6. Step 6: Final answer
    x = 76,630.21

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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.