Home / 216,077.09-324,170.37-66,324.96

Finding the Fourth Proportional to 216,077.09, 324,170.37 and 66,324.96

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Solution

The fourth proportional to 216,077.09, 324,170.37 and 66,324.96 is: 99,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,077.09 : 324,170.37 = 66,324.96 : x
  2. Step 2: Convert to fraction form
    216,077.09/324,170.37 = 66,324.96/x
  3. Step 3: Cross multiply
    216,077.09x = 324,170.37 × 66,324.96
  4. Step 4: Simplify right side
    216,077.09x = 21,500,586,823.44
  5. Step 5: Solve for x
    x = 21,500,586,823.44/216,077.09
  6. Step 6: Final answer
    x = 99,504.24

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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.