Home / 165,745.70-248,618.55-143,195.30

Finding the Fourth Proportional to 165,745.70, 248,618.55 and 143,195.30

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Solution

The fourth proportional to 165,745.70, 248,618.55 and 143,195.30 is: 214,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,745.70 : 248,618.55 = 143,195.30 : x
  2. Step 2: Convert to fraction form
    165,745.70/248,618.55 = 143,195.30/x
  3. Step 3: Cross multiply
    165,745.70x = 248,618.55 × 143,195.30
  4. Step 4: Simplify right side
    165,745.70x = 35,601,007,852.82
  5. Step 5: Solve for x
    x = 35,601,007,852.82/165,745.70
  6. Step 6: Final answer
    x = 214,792.95

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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.