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Finding the Fourth Proportional to 168,497.90, 252,622.02 and 79,647.60

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Solution

The fourth proportional to 168,497.90, 252,622.02 and 79,647.60 is: 119,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,497.90 : 252,622.02 = 79,647.60 : x
  2. Step 2: Convert to fraction form
    168,497.90/252,622.02 = 79,647.60/x
  3. Step 3: Cross multiply
    168,497.90x = 252,622.02 × 79,647.60
  4. Step 4: Simplify right side
    168,497.90x = 20,120,737,600.15
  5. Step 5: Solve for x
    x = 20,120,737,600.15/168,497.90
  6. Step 6: Final answer
    x = 119,412.39

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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.