Home / 248,289.12-342,634.32-135,109.44

Finding the Fourth Proportional to 248,289.12, 342,634.32 and 135,109.44

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Solution

The fourth proportional to 248,289.12, 342,634.32 and 135,109.44 is: 186,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,289.12 : 342,634.32 = 135,109.44 : x
  2. Step 2: Convert to fraction form
    248,289.12/342,634.32 = 135,109.44/x
  3. Step 3: Cross multiply
    248,289.12x = 342,634.32 × 135,109.44
  4. Step 4: Simplify right side
    248,289.12x = 46,293,131,099.98
  5. Step 5: Solve for x
    x = 46,293,131,099.98/248,289.12
  6. Step 6: Final answer
    x = 186,448.49

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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.