Home / 231,167.82-346,653.27-90,828

Finding the Fourth Proportional to 231,167.82, 346,653.27 and 90,828

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Solution

The fourth proportional to 231,167.82, 346,653.27 and 90,828 is: 136,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,167.82 : 346,653.27 = 90,828 : x
  2. Step 2: Convert to fraction form
    231,167.82/346,653.27 = 90,828/x
  3. Step 3: Cross multiply
    231,167.82x = 346,653.27 × 90,828
  4. Step 4: Simplify right side
    231,167.82x = 31,485,823,207.56
  5. Step 5: Solve for x
    x = 31,485,823,207.56/231,167.82
  6. Step 6: Final answer
    x = 136,203.31

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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.