Home / 248,239.69-342,570.77-135,063.25

Finding the Fourth Proportional to 248,239.69, 342,570.77 and 135,063.25

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Solution

The fourth proportional to 248,239.69, 342,570.77 and 135,063.25 is: 186,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,239.69 : 342,570.77 = 135,063.25 : x
  2. Step 2: Convert to fraction form
    248,239.69/342,570.77 = 135,063.25/x
  3. Step 3: Cross multiply
    248,239.69x = 342,570.77 × 135,063.25
  4. Step 4: Simplify right side
    248,239.69x = 46,268,720,525.95
  5. Step 5: Solve for x
    x = 46,268,720,525.95/248,239.69
  6. Step 6: Final answer
    x = 186,387.28

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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.