Home / 216,119.95-324,221.94-82,990.42

Finding the Fourth Proportional to 216,119.95, 324,221.94 and 82,990.42

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Solution

The fourth proportional to 216,119.95, 324,221.94 and 82,990.42 is: 124,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,119.95 : 324,221.94 = 82,990.42 : x
  2. Step 2: Convert to fraction form
    216,119.95/324,221.94 = 82,990.42/x
  3. Step 3: Cross multiply
    216,119.95x = 324,221.94 × 82,990.42
  4. Step 4: Simplify right side
    216,119.95x = 26,907,314,163.26
  5. Step 5: Solve for x
    x = 26,907,314,163.26/216,119.95
  6. Step 6: Final answer
    x = 124,501.76

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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.