Home / 113,739.39-170,609.09-61,076.43

Finding the Fourth Proportional to 113,739.39, 170,609.09 and 61,076.43

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Solution

The fourth proportional to 113,739.39, 170,609.09 and 61,076.43 is: 91,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,739.39 : 170,609.09 = 61,076.43 : x
  2. Step 2: Convert to fraction form
    113,739.39/170,609.09 = 61,076.43/x
  3. Step 3: Cross multiply
    113,739.39x = 170,609.09 × 61,076.43
  4. Step 4: Simplify right side
    113,739.39x = 10,420,193,837.37
  5. Step 5: Solve for x
    x = 10,420,193,837.37/113,739.39
  6. Step 6: Final answer
    x = 91,614.65

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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.