Home / 216,116.45-324,216.69-82,986.92

Finding the Fourth Proportional to 216,116.45, 324,216.69 and 82,986.92

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Solution

The fourth proportional to 216,116.45, 324,216.69 and 82,986.92 is: 124,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,116.45 : 324,216.69 = 82,986.92 : x
  2. Step 2: Convert to fraction form
    216,116.45/324,216.69 = 82,986.92/x
  3. Step 3: Cross multiply
    216,116.45x = 324,216.69 × 82,986.92
  4. Step 4: Simplify right side
    216,116.45x = 26,905,744,515.69
  5. Step 5: Solve for x
    x = 26,905,744,515.69/216,116.45
  6. Step 6: Final answer
    x = 124,496.51

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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.