Home / 248,745.12-343,323.64-158,083.40

Finding the Fourth Proportional to 248,745.12, 343,323.64 and 158,083.40

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Solution

The fourth proportional to 248,745.12, 343,323.64 and 158,083.40 is: 218,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,745.12 : 343,323.64 = 158,083.40 : x
  2. Step 2: Convert to fraction form
    248,745.12/343,323.64 = 158,083.40/x
  3. Step 3: Cross multiply
    248,745.12x = 343,323.64 × 158,083.40
  4. Step 4: Simplify right side
    248,745.12x = 54,273,768,311.58
  5. Step 5: Solve for x
    x = 54,273,768,311.58/248,745.12
  6. Step 6: Final answer
    x = 218,190.28

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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.