Home / 195,074.12-269,202.30-105,650.12

Finding the Fourth Proportional to 195,074.12, 269,202.30 and 105,650.12

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Solution

The fourth proportional to 195,074.12, 269,202.30 and 105,650.12 is: 145,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,074.12 : 269,202.30 = 105,650.12 : x
  2. Step 2: Convert to fraction form
    195,074.12/269,202.30 = 105,650.12/x
  3. Step 3: Cross multiply
    195,074.12x = 269,202.30 × 105,650.12
  4. Step 4: Simplify right side
    195,074.12x = 28,441,255,299.28
  5. Step 5: Solve for x
    x = 28,441,255,299.28/195,074.12
  6. Step 6: Final answer
    x = 145,797.17

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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.