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Finding the Fourth Proportional to 168,039.60, 252,059.40 and 43,380.60

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Solution

The fourth proportional to 168,039.60, 252,059.40 and 43,380.60 is: 65,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.60 : 252,059.40 = 43,380.60 : x
  2. Step 2: Convert to fraction form
    168,039.60/252,059.40 = 43,380.60/x
  3. Step 3: Cross multiply
    168,039.60x = 252,059.40 × 43,380.60
  4. Step 4: Simplify right side
    168,039.60x = 10,934,488,007.64
  5. Step 5: Solve for x
    x = 10,934,488,007.64/168,039.60
  6. Step 6: Final answer
    x = 65,070.90

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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.