Home / 248,538.51-342,986.94-135,361.26

Finding the Fourth Proportional to 248,538.51, 342,986.94 and 135,361.26

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Solution

The fourth proportional to 248,538.51, 342,986.94 and 135,361.26 is: 186,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,538.51 : 342,986.94 = 135,361.26 : x
  2. Step 2: Convert to fraction form
    248,538.51/342,986.94 = 135,361.26/x
  3. Step 3: Cross multiply
    248,538.51x = 342,986.94 × 135,361.26
  4. Step 4: Simplify right side
    248,538.51x = 46,427,144,361.94
  5. Step 5: Solve for x
    x = 46,427,144,361.94/248,538.51
  6. Step 6: Final answer
    x = 186,800.61

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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.