Home / 110,778.45-166,221.89-68,647.26

Finding the Fourth Proportional to 110,778.45, 166,221.89 and 68,647.26

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Solution

The fourth proportional to 110,778.45, 166,221.89 and 68,647.26 is: 103,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,778.45 : 166,221.89 = 68,647.26 : x
  2. Step 2: Convert to fraction form
    110,778.45/166,221.89 = 68,647.26/x
  3. Step 3: Cross multiply
    110,778.45x = 166,221.89 × 68,647.26
  4. Step 4: Simplify right side
    110,778.45x = 11,410,677,300.52
  5. Step 5: Solve for x
    x = 11,410,677,300.52/110,778.45
  6. Step 6: Final answer
    x = 103,004.49

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1.5x scale

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.