Home / 167,846.83-231,631.58-91,368.12

Finding the Fourth Proportional to 167,846.83, 231,631.58 and 91,368.12

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Solution

The fourth proportional to 167,846.83, 231,631.58 and 91,368.12 is: 126,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,846.83 : 231,631.58 = 91,368.12 : x
  2. Step 2: Convert to fraction form
    167,846.83/231,631.58 = 91,368.12/x
  3. Step 3: Cross multiply
    167,846.83x = 231,631.58 × 91,368.12
  4. Step 4: Simplify right side
    167,846.83x = 21,163,741,791.34
  5. Step 5: Solve for x
    x = 21,163,741,791.34/167,846.83
  6. Step 6: Final answer
    x = 126,089.61

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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.