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Finding the Fourth Proportional to 164,338.12, 226,786.44 and 88,886.44

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Solution

The fourth proportional to 164,338.12, 226,786.44 and 88,886.44 is: 122,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,338.12 : 226,786.44 = 88,886.44 : x
  2. Step 2: Convert to fraction form
    164,338.12/226,786.44 = 88,886.44/x
  3. Step 3: Cross multiply
    164,338.12x = 226,786.44 × 88,886.44
  4. Step 4: Simplify right side
    164,338.12x = 20,158,239,291.87
  5. Step 5: Solve for x
    x = 20,158,239,291.87/164,338.12
  6. Step 6: Final answer
    x = 122,663.20

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1.5x scale

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.