Home / 122,273.44-168,810.96-79,902.88

Finding the Fourth Proportional to 122,273.44, 168,810.96 and 79,902.88

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Solution

The fourth proportional to 122,273.44, 168,810.96 and 79,902.88 is: 110,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,273.44 : 168,810.96 = 79,902.88 : x
  2. Step 2: Convert to fraction form
    122,273.44/168,810.96 = 79,902.88/x
  3. Step 3: Cross multiply
    122,273.44x = 168,810.96 × 79,902.88
  4. Step 4: Simplify right side
    122,273.44x = 13,488,481,879.56
  5. Step 5: Solve for x
    x = 13,488,481,879.56/122,273.44
  6. Step 6: Final answer
    x = 110,314.08

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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.