Home / 164,221.44-246,081.60-85,361.28

Finding the Fourth Proportional to 164,221.44, 246,081.60 and 85,361.28

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Solution

The fourth proportional to 164,221.44, 246,081.60 and 85,361.28 is: 127,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,221.44 : 246,081.60 = 85,361.28 : x
  2. Step 2: Convert to fraction form
    164,221.44/246,081.60 = 85,361.28/x
  3. Step 3: Cross multiply
    164,221.44x = 246,081.60 × 85,361.28
  4. Step 4: Simplify right side
    164,221.44x = 21,005,840,360.45
  5. Step 5: Solve for x
    x = 21,005,840,360.45/164,221.44
  6. Step 6: Final answer
    x = 127,911.68

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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.