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Finding the Fourth Proportional to 104,052.80, 156,050.40 and 41,729.60

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Solution

The fourth proportional to 104,052.80, 156,050.40 and 41,729.60 is: 62,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,052.80 : 156,050.40 = 41,729.60 : x
  2. Step 2: Convert to fraction form
    104,052.80/156,050.40 = 41,729.60/x
  3. Step 3: Cross multiply
    104,052.80x = 156,050.40 × 41,729.60
  4. Step 4: Simplify right side
    104,052.80x = 6,511,920,771.84
  5. Step 5: Solve for x
    x = 6,511,920,771.84/104,052.80
  6. Step 6: Final answer
    x = 62,582.85

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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.