Home / 197,147.70-295,721.55-163,905.30

Finding the Fourth Proportional to 197,147.70, 295,721.55 and 163,905.30

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Solution

The fourth proportional to 197,147.70, 295,721.55 and 163,905.30 is: 245,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,147.70 : 295,721.55 = 163,905.30 : x
  2. Step 2: Convert to fraction form
    197,147.70/295,721.55 = 163,905.30/x
  3. Step 3: Cross multiply
    197,147.70x = 295,721.55 × 163,905.30
  4. Step 4: Simplify right side
    197,147.70x = 48,470,329,369.22
  5. Step 5: Solve for x
    x = 48,470,329,369.22/197,147.70
  6. Step 6: Final answer
    x = 245,857.95

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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.