Home / 135,540.05-203,243.44-55,556.34

Finding the Fourth Proportional to 135,540.05, 203,243.44 and 55,556.34

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Solution

The fourth proportional to 135,540.05, 203,243.44 and 55,556.34 is: 83,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,540.05 : 203,243.44 = 55,556.34 : x
  2. Step 2: Convert to fraction form
    135,540.05/203,243.44 = 55,556.34/x
  3. Step 3: Cross multiply
    135,540.05x = 203,243.44 × 55,556.34
  4. Step 4: Simplify right side
    135,540.05x = 11,291,461,655.41
  5. Step 5: Solve for x
    x = 11,291,461,655.41/135,540.05
  6. Step 6: Final answer
    x = 83,307.20

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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.