Home / 248,741.36-343,264.68-135,564.36

Finding the Fourth Proportional to 248,741.36, 343,264.68 and 135,564.36

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Solution

The fourth proportional to 248,741.36, 343,264.68 and 135,564.36 is: 187,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,741.36 : 343,264.68 = 135,564.36 : x
  2. Step 2: Convert to fraction form
    248,741.36/343,264.68 = 135,564.36/x
  3. Step 3: Cross multiply
    248,741.36x = 343,264.68 × 135,564.36
  4. Step 4: Simplify right side
    248,741.36x = 46,534,456,654.80
  5. Step 5: Solve for x
    x = 46,534,456,654.80/248,741.36
  6. Step 6: Final answer
    x = 187,079.69

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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.