Home / 218,610.09-327,915.20-168,762.96

Finding the Fourth Proportional to 218,610.09, 327,915.20 and 168,762.96

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Solution

The fourth proportional to 218,610.09, 327,915.20 and 168,762.96 is: 253,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,610.09 : 327,915.20 = 168,762.96 : x
  2. Step 2: Convert to fraction form
    218,610.09/327,915.20 = 168,762.96/x
  3. Step 3: Cross multiply
    218,610.09x = 327,915.20 × 168,762.96
  4. Step 4: Simplify right side
    218,610.09x = 55,339,940,202.90
  5. Step 5: Solve for x
    x = 55,339,940,202.90/218,610.09
  6. Step 6: Final answer
    x = 253,144.49

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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.