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Finding the Fourth Proportional to 168,361.60, 252,081.60 and 131,497.60

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Solution

The fourth proportional to 168,361.60, 252,081.60 and 131,497.60 is: 196,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,361.60 : 252,081.60 = 131,497.60 : x
  2. Step 2: Convert to fraction form
    168,361.60/252,081.60 = 131,497.60/x
  3. Step 3: Cross multiply
    168,361.60x = 252,081.60 × 131,497.60
  4. Step 4: Simplify right side
    168,361.60x = 33,148,125,404.16
  5. Step 5: Solve for x
    x = 33,148,125,404.16/168,361.60
  6. Step 6: Final answer
    x = 196,886.50

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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.