Home / 218,110.64-327,032-84,835.56

Finding the Fourth Proportional to 218,110.64, 327,032 and 84,835.56

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Solution

The fourth proportional to 218,110.64, 327,032 and 84,835.56 is: 127,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.64 : 327,032 = 84,835.56 : x
  2. Step 2: Convert to fraction form
    218,110.64/327,032 = 84,835.56/x
  3. Step 3: Cross multiply
    218,110.64x = 327,032 × 84,835.56
  4. Step 4: Simplify right side
    218,110.64x = 27,743,942,857.92
  5. Step 5: Solve for x
    x = 27,743,942,857.92/218,110.64
  6. Step 6: Final answer
    x = 127,201.24

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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.