Home / 104,078.20-156,117.30-51,524.60

Finding the Fourth Proportional to 104,078.20, 156,117.30 and 51,524.60

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Solution

The fourth proportional to 104,078.20, 156,117.30 and 51,524.60 is: 77,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,078.20 : 156,117.30 = 51,524.60 : x
  2. Step 2: Convert to fraction form
    104,078.20/156,117.30 = 51,524.60/x
  3. Step 3: Cross multiply
    104,078.20x = 156,117.30 × 51,524.60
  4. Step 4: Simplify right side
    104,078.20x = 8,043,881,435.58
  5. Step 5: Solve for x
    x = 8,043,881,435.58/104,078.20
  6. Step 6: Final answer
    x = 77,286.90

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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.