Home / 132,121.64-198,203.07-43,354.94

Finding the Fourth Proportional to 132,121.64, 198,203.07 and 43,354.94

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Solution

The fourth proportional to 132,121.64, 198,203.07 and 43,354.94 is: 65,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,121.64 : 198,203.07 = 43,354.94 : x
  2. Step 2: Convert to fraction form
    132,121.64/198,203.07 = 43,354.94/x
  3. Step 3: Cross multiply
    132,121.64x = 198,203.07 × 43,354.94
  4. Step 4: Simplify right side
    132,121.64x = 8,593,082,207.67
  5. Step 5: Solve for x
    x = 8,593,082,207.67/132,121.64
  6. Step 6: Final answer
    x = 65,039.17

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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.