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Finding the Fourth Proportional to 168,291.84, 252,511.88 and 130,795.73

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Solution

The fourth proportional to 168,291.84, 252,511.88 and 130,795.73 is: 196,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,291.84 : 252,511.88 = 130,795.73 : x
  2. Step 2: Convert to fraction form
    168,291.84/252,511.88 = 130,795.73/x
  3. Step 3: Cross multiply
    168,291.84x = 252,511.88 × 130,795.73
  4. Step 4: Simplify right side
    168,291.84x = 33,027,475,678.27
  5. Step 5: Solve for x
    x = 33,027,475,678.27/168,291.84
  6. Step 6: Final answer
    x = 196,251.20

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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.