Home / 216,455.04-324,682.92-90,093.60

Finding the Fourth Proportional to 216,455.04, 324,682.92 and 90,093.60

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Solution

The fourth proportional to 216,455.04, 324,682.92 and 90,093.60 is: 135,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,455.04 : 324,682.92 = 90,093.60 : x
  2. Step 2: Convert to fraction form
    216,455.04/324,682.92 = 90,093.60/x
  3. Step 3: Cross multiply
    216,455.04x = 324,682.92 × 90,093.60
  4. Step 4: Simplify right side
    216,455.04x = 29,251,853,121.31
  5. Step 5: Solve for x
    x = 29,251,853,121.31/216,455.04
  6. Step 6: Final answer
    x = 135,140.55

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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.