Home / 168,285.20-252,120.60-102,544.40

Finding the Fourth Proportional to 168,285.20, 252,120.60 and 102,544.40

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Solution

The fourth proportional to 168,285.20, 252,120.60 and 102,544.40 is: 153,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,285.20 : 252,120.60 = 102,544.40 : x
  2. Step 2: Convert to fraction form
    168,285.20/252,120.60 = 102,544.40/x
  3. Step 3: Cross multiply
    168,285.20x = 252,120.60 × 102,544.40
  4. Step 4: Simplify right side
    168,285.20x = 25,853,555,654.64
  5. Step 5: Solve for x
    x = 25,853,555,654.64/168,285.20
  6. Step 6: Final answer
    x = 153,629.41

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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.