Home / 195,555.82-269,869.12-120,104.32

Finding the Fourth Proportional to 195,555.82, 269,869.12 and 120,104.32

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Solution

The fourth proportional to 195,555.82, 269,869.12 and 120,104.32 is: 165,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,555.82 : 269,869.12 = 120,104.32 : x
  2. Step 2: Convert to fraction form
    195,555.82/269,869.12 = 120,104.32/x
  3. Step 3: Cross multiply
    195,555.82x = 269,869.12 × 120,104.32
  4. Step 4: Simplify right side
    195,555.82x = 32,412,447,146.60
  5. Step 5: Solve for x
    x = 32,412,447,146.60/195,555.82
  6. Step 6: Final answer
    x = 165,745.24

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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.