Home / 135,539.05-203,241.94-55,555.34

Finding the Fourth Proportional to 135,539.05, 203,241.94 and 55,555.34

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Solution

The fourth proportional to 135,539.05, 203,241.94 and 55,555.34 is: 83,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,539.05 : 203,241.94 = 55,555.34 : x
  2. Step 2: Convert to fraction form
    135,539.05/203,241.94 = 55,555.34/x
  3. Step 3: Cross multiply
    135,539.05x = 203,241.94 × 55,555.34
  4. Step 4: Simplify right side
    135,539.05x = 11,291,174,392.12
  5. Step 5: Solve for x
    x = 11,291,174,392.12/135,539.05
  6. Step 6: Final answer
    x = 83,305.69

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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.