Home / 216,076.80-324,090.93-82,863.60

Finding the Fourth Proportional to 216,076.80, 324,090.93 and 82,863.60

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Solution

The fourth proportional to 216,076.80, 324,090.93 and 82,863.60 is: 124,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,076.80 : 324,090.93 = 82,863.60 : x
  2. Step 2: Convert to fraction form
    216,076.80/324,090.93 = 82,863.60/x
  3. Step 3: Cross multiply
    216,076.80x = 324,090.93 × 82,863.60
  4. Step 4: Simplify right side
    216,076.80x = 26,855,340,282.55
  5. Step 5: Solve for x
    x = 26,855,340,282.55/216,076.80
  6. Step 6: Final answer
    x = 124,286.09

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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.