Home / 164,738.75-227,339.66-89,287.25

Finding the Fourth Proportional to 164,738.75, 227,339.66 and 89,287.25

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Solution

The fourth proportional to 164,738.75, 227,339.66 and 89,287.25 is: 123,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,738.75 : 227,339.66 = 89,287.25 : x
  2. Step 2: Convert to fraction form
    164,738.75/227,339.66 = 89,287.25/x
  3. Step 3: Cross multiply
    164,738.75x = 227,339.66 × 89,287.25
  4. Step 4: Simplify right side
    164,738.75x = 20,298,532,143.85
  5. Step 5: Solve for x
    x = 20,298,532,143.85/164,738.75
  6. Step 6: Final answer
    x = 123,216.50

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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.