Home / 102,791.07-154,147.73-43,654.59

Finding the Fourth Proportional to 102,791.07, 154,147.73 and 43,654.59

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Solution

The fourth proportional to 102,791.07, 154,147.73 and 43,654.59 is: 65,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,791.07 : 154,147.73 = 43,654.59 : x
  2. Step 2: Convert to fraction form
    102,791.07/154,147.73 = 43,654.59/x
  3. Step 3: Cross multiply
    102,791.07x = 154,147.73 × 43,654.59
  4. Step 4: Simplify right side
    102,791.07x = 6,729,255,734.31
  5. Step 5: Solve for x
    x = 6,729,255,734.31/102,791.07
  6. Step 6: Final answer
    x = 65,465.37

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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.