Home / 248,726.25-343,244.66-135,551.43

Finding the Fourth Proportional to 248,726.25, 343,244.66 and 135,551.43

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Solution

The fourth proportional to 248,726.25, 343,244.66 and 135,551.43 is: 187,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,726.25 : 343,244.66 = 135,551.43 : x
  2. Step 2: Convert to fraction form
    248,726.25/343,244.66 = 135,551.43/x
  3. Step 3: Cross multiply
    248,726.25x = 343,244.66 × 135,551.43
  4. Step 4: Simplify right side
    248,726.25x = 46,527,303,825.11
  5. Step 5: Solve for x
    x = 46,527,303,825.11/248,726.25
  6. Step 6: Final answer
    x = 187,062.30

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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.