Home / 164,739.83-227,342.16-89,288.33

Finding the Fourth Proportional to 164,739.83, 227,342.16 and 89,288.33

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Solution

The fourth proportional to 164,739.83, 227,342.16 and 89,288.33 is: 123,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,739.83 : 227,342.16 = 89,288.33 : x
  2. Step 2: Convert to fraction form
    164,739.83/227,342.16 = 89,288.33/x
  3. Step 3: Cross multiply
    164,739.83x = 227,342.16 × 89,288.33
  4. Step 4: Simplify right side
    164,739.83x = 20,299,000,668.28
  5. Step 5: Solve for x
    x = 20,299,000,668.28/164,739.83
  6. Step 6: Final answer
    x = 123,218.54

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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.