Home / 155,485.44-233,268.48-66,723.84

Finding the Fourth Proportional to 155,485.44, 233,268.48 and 66,723.84

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Solution

The fourth proportional to 155,485.44, 233,268.48 and 66,723.84 is: 100,103.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,485.44 : 233,268.48 = 66,723.84 : x
  2. Step 2: Convert to fraction form
    155,485.44/233,268.48 = 66,723.84/x
  3. Step 3: Cross multiply
    155,485.44x = 233,268.48 × 66,723.84
  4. Step 4: Simplify right side
    155,485.44x = 15,564,568,736.56
  5. Step 5: Solve for x
    x = 15,564,568,736.56/155,485.44
  6. Step 6: Final answer
    x = 100,103.06

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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.