Home / 164,660.12-227,229.54-89,208.44

Finding the Fourth Proportional to 164,660.12, 227,229.54 and 89,208.44

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Solution

The fourth proportional to 164,660.12, 227,229.54 and 89,208.44 is: 123,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,660.12 : 227,229.54 = 89,208.44 : x
  2. Step 2: Convert to fraction form
    164,660.12/227,229.54 = 89,208.44/x
  3. Step 3: Cross multiply
    164,660.12x = 227,229.54 × 89,208.44
  4. Step 4: Simplify right side
    164,660.12x = 20,270,792,785.32
  5. Step 5: Solve for x
    x = 20,270,792,785.32/164,660.12
  6. Step 6: Final answer
    x = 123,106.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.