Home / 164,064.78-226,409.40-88,613.28

Finding the Fourth Proportional to 164,064.78, 226,409.40 and 88,613.28

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Solution

The fourth proportional to 164,064.78, 226,409.40 and 88,613.28 is: 122,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,064.78 : 226,409.40 = 88,613.28 : x
  2. Step 2: Convert to fraction form
    164,064.78/226,409.40 = 88,613.28/x
  3. Step 3: Cross multiply
    164,064.78x = 226,409.40 × 88,613.28
  4. Step 4: Simplify right side
    164,064.78x = 20,062,879,556.83
  5. Step 5: Solve for x
    x = 20,062,879,556.83/164,064.78
  6. Step 6: Final answer
    x = 122,286.33

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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.