Home / 168,071.46-231,935.64-91,591.24

Finding the Fourth Proportional to 168,071.46, 231,935.64 and 91,591.24

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Solution

The fourth proportional to 168,071.46, 231,935.64 and 91,591.24 is: 126,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071.46 : 231,935.64 = 91,591.24 : x
  2. Step 2: Convert to fraction form
    168,071.46/231,935.64 = 91,591.24/x
  3. Step 3: Cross multiply
    168,071.46x = 231,935.64 × 91,591.24
  4. Step 4: Simplify right side
    168,071.46x = 21,243,272,867.79
  5. Step 5: Solve for x
    x = 21,243,272,867.79/168,071.46
  6. Step 6: Final answer
    x = 126,394.29

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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.