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Finding the Fourth Proportional to 168,594.08, 253,015.89 and 79,847.80

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Solution

The fourth proportional to 168,594.08, 253,015.89 and 79,847.80 is: 119,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,594.08 : 253,015.89 = 79,847.80 : x
  2. Step 2: Convert to fraction form
    168,594.08/253,015.89 = 79,847.80/x
  3. Step 3: Cross multiply
    168,594.08x = 253,015.89 × 79,847.80
  4. Step 4: Simplify right side
    168,594.08x = 20,202,762,181.54
  5. Step 5: Solve for x
    x = 20,202,762,181.54/168,594.08
  6. Step 6: Final answer
    x = 119,830.79

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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.