Home / 110,278.60-165,504.30-51,121.60

Finding the Fourth Proportional to 110,278.60, 165,504.30 and 51,121.60

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Solution

The fourth proportional to 110,278.60, 165,504.30 and 51,121.60 is: 76,722.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,278.60 : 165,504.30 = 51,121.60 : x
  2. Step 2: Convert to fraction form
    110,278.60/165,504.30 = 51,121.60/x
  3. Step 3: Cross multiply
    110,278.60x = 165,504.30 × 51,121.60
  4. Step 4: Simplify right side
    110,278.60x = 8,460,844,622.88
  5. Step 5: Solve for x
    x = 8,460,844,622.88/110,278.60
  6. Step 6: Final answer
    x = 76,722.45

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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.