Home / 168,054.21-231,914.07-91,573.02

Finding the Fourth Proportional to 168,054.21, 231,914.07 and 91,573.02

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Solution

The fourth proportional to 168,054.21, 231,914.07 and 91,573.02 is: 126,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,054.21 : 231,914.07 = 91,573.02 : x
  2. Step 2: Convert to fraction form
    168,054.21/231,914.07 = 91,573.02/x
  3. Step 3: Cross multiply
    168,054.21x = 231,914.07 × 91,573.02
  4. Step 4: Simplify right side
    168,054.21x = 21,237,071,770.39
  5. Step 5: Solve for x
    x = 21,237,071,770.39/168,054.21
  6. Step 6: Final answer
    x = 126,370.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.