Home / 248,077.25-342,346.60-140,647.28

Finding the Fourth Proportional to 248,077.25, 342,346.60 and 140,647.28

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Solution

The fourth proportional to 248,077.25, 342,346.60 and 140,647.28 is: 194,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.25 : 342,346.60 = 140,647.28 : x
  2. Step 2: Convert to fraction form
    248,077.25/342,346.60 = 140,647.28/x
  3. Step 3: Cross multiply
    248,077.25x = 342,346.60 × 140,647.28
  4. Step 4: Simplify right side
    248,077.25x = 48,150,116,571.32
  5. Step 5: Solve for x
    x = 48,150,116,571.32/248,077.25
  6. Step 6: Final answer
    x = 194,093.24

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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.