Home / 140,739.63-194,234.56-80,319.37

Finding the Fourth Proportional to 140,739.63, 194,234.56 and 80,319.37

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Solution

The fourth proportional to 140,739.63, 194,234.56 and 80,319.37 is: 110,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,739.63 : 194,234.56 = 80,319.37 : x
  2. Step 2: Convert to fraction form
    140,739.63/194,234.56 = 80,319.37/x
  3. Step 3: Cross multiply
    140,739.63x = 194,234.56 × 80,319.37
  4. Step 4: Simplify right side
    140,739.63x = 15,600,798,054.36
  5. Step 5: Solve for x
    x = 15,600,798,054.36/140,739.63
  6. Step 6: Final answer
    x = 110,848.65

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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.