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Finding the Fourth Proportional to 168,009.60, 252,014.40 and 112,022.40

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Solution

The fourth proportional to 168,009.60, 252,014.40 and 112,022.40 is: 168,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,009.60 : 252,014.40 = 112,022.40 : x
  2. Step 2: Convert to fraction form
    168,009.60/252,014.40 = 112,022.40/x
  3. Step 3: Cross multiply
    168,009.60x = 252,014.40 × 112,022.40
  4. Step 4: Simplify right side
    168,009.60x = 28,231,257,922.56
  5. Step 5: Solve for x
    x = 28,231,257,922.56/168,009.60
  6. Step 6: Final answer
    x = 168,033.60

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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.