Home / 110,133.83-165,032.54-81,917.43

Finding the Fourth Proportional to 110,133.83, 165,032.54 and 81,917.43

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Solution

The fourth proportional to 110,133.83, 165,032.54 and 81,917.43 is: 122,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,133.83 : 165,032.54 = 81,917.43 : x
  2. Step 2: Convert to fraction form
    110,133.83/165,032.54 = 81,917.43/x
  3. Step 3: Cross multiply
    110,133.83x = 165,032.54 × 81,917.43
  4. Step 4: Simplify right side
    110,133.83x = 13,519,040,821.90
  5. Step 5: Solve for x
    x = 13,519,040,821.90/110,133.83
  6. Step 6: Final answer
    x = 122,751.03

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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.