Home / 248,288.56-342,645.36-135,118.48

Finding the Fourth Proportional to 248,288.56, 342,645.36 and 135,118.48

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Solution

The fourth proportional to 248,288.56, 342,645.36 and 135,118.48 is: 186,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,288.56 : 342,645.36 = 135,118.48 : x
  2. Step 2: Convert to fraction form
    248,288.56/342,645.36 = 135,118.48/x
  3. Step 3: Cross multiply
    248,288.56x = 342,645.36 × 135,118.48
  4. Step 4: Simplify right side
    248,288.56x = 46,297,720,222.25
  5. Step 5: Solve for x
    x = 46,297,720,222.25/248,288.56
  6. Step 6: Final answer
    x = 186,467.39

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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.