Home / 195,571.12-269,878.80-120,105.04

Finding the Fourth Proportional to 195,571.12, 269,878.80 and 120,105.04

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Solution

The fourth proportional to 195,571.12, 269,878.80 and 120,105.04 is: 165,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,571.12 : 269,878.80 = 120,105.04 : x
  2. Step 2: Convert to fraction form
    195,571.12/269,878.80 = 120,105.04/x
  3. Step 3: Cross multiply
    195,571.12x = 269,878.80 × 120,105.04
  4. Step 4: Simplify right side
    195,571.12x = 32,413,804,069.15
  5. Step 5: Solve for x
    x = 32,413,804,069.15/195,571.12
  6. Step 6: Final answer
    x = 165,739.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.