Home / 122,914.32-169,608.78-69,198.36

Finding the Fourth Proportional to 122,914.32, 169,608.78 and 69,198.36

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Solution

The fourth proportional to 122,914.32, 169,608.78 and 69,198.36 is: 95,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,914.32 : 169,608.78 = 69,198.36 : x
  2. Step 2: Convert to fraction form
    122,914.32/169,608.78 = 69,198.36/x
  3. Step 3: Cross multiply
    122,914.32x = 169,608.78 × 69,198.36
  4. Step 4: Simplify right side
    122,914.32x = 11,736,649,417.60
  5. Step 5: Solve for x
    x = 11,736,649,417.60/122,914.32
  6. Step 6: Final answer
    x = 95,486.43

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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.