Home / 216,759.06-324,340.34-131,064.30

Finding the Fourth Proportional to 216,759.06, 324,340.34 and 131,064.30

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Solution

The fourth proportional to 216,759.06, 324,340.34 and 131,064.30 is: 196,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,759.06 : 324,340.34 = 131,064.30 : x
  2. Step 2: Convert to fraction form
    216,759.06/324,340.34 = 131,064.30/x
  3. Step 3: Cross multiply
    216,759.06x = 324,340.34 × 131,064.30
  4. Step 4: Simplify right side
    216,759.06x = 42,509,438,968.54
  5. Step 5: Solve for x
    x = 42,509,438,968.54/216,759.06
  6. Step 6: Final answer
    x = 196,113.78

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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.