Home / 195,628.44-269,968.35-115,059.36

Finding the Fourth Proportional to 195,628.44, 269,968.35 and 115,059.36

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Solution

The fourth proportional to 195,628.44, 269,968.35 and 115,059.36 is: 158,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,628.44 : 269,968.35 = 115,059.36 : x
  2. Step 2: Convert to fraction form
    195,628.44/269,968.35 = 115,059.36/x
  3. Step 3: Cross multiply
    195,628.44x = 269,968.35 × 115,059.36
  4. Step 4: Simplify right side
    195,628.44x = 31,062,385,571.26
  5. Step 5: Solve for x
    x = 31,062,385,571.26/195,628.44
  6. Step 6: Final answer
    x = 158,782.57

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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.