Home / 110,943.75-166,196.56-73,390.22

Finding the Fourth Proportional to 110,943.75, 166,196.56 and 73,390.22

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Solution

The fourth proportional to 110,943.75, 166,196.56 and 73,390.22 is: 109,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,943.75 : 166,196.56 = 73,390.22 : x
  2. Step 2: Convert to fraction form
    110,943.75/166,196.56 = 73,390.22/x
  3. Step 3: Cross multiply
    110,943.75x = 166,196.56 × 73,390.22
  4. Step 4: Simplify right side
    110,943.75x = 12,197,202,101.64
  5. Step 5: Solve for x
    x = 12,197,202,101.64/110,943.75
  6. Step 6: Final answer
    x = 109,940.42

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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.