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Finding the Fourth Proportional to 168,290.84, 252,510.38 and 130,794.73

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Solution

The fourth proportional to 168,290.84, 252,510.38 and 130,794.73 is: 196,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,290.84 : 252,510.38 = 130,794.73 : x
  2. Step 2: Convert to fraction form
    168,290.84/252,510.38 = 130,794.73/x
  3. Step 3: Cross multiply
    168,290.84x = 252,510.38 × 130,794.73
  4. Step 4: Simplify right side
    168,290.84x = 33,027,026,974.30
  5. Step 5: Solve for x
    x = 33,027,026,974.30/168,290.84
  6. Step 6: Final answer
    x = 196,249.70

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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.