Home / 135,918.22-203,957.52-51,749.24

Finding the Fourth Proportional to 135,918.22, 203,957.52 and 51,749.24

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Solution

The fourth proportional to 135,918.22, 203,957.52 and 51,749.24 is: 77,654.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,918.22 : 203,957.52 = 51,749.24 : x
  2. Step 2: Convert to fraction form
    135,918.22/203,957.52 = 51,749.24/x
  3. Step 3: Cross multiply
    135,918.22x = 203,957.52 × 51,749.24
  4. Step 4: Simplify right side
    135,918.22x = 10,554,646,652.28
  5. Step 5: Solve for x
    x = 10,554,646,652.28/135,918.22
  6. Step 6: Final answer
    x = 77,654.39

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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.