Home / 140,615.56-194,054.34-80,195.32

Finding the Fourth Proportional to 140,615.56, 194,054.34 and 80,195.32

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Solution

The fourth proportional to 140,615.56, 194,054.34 and 80,195.32 is: 110,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,615.56 : 194,054.34 = 80,195.32 : x
  2. Step 2: Convert to fraction form
    140,615.56/194,054.34 = 80,195.32/x
  3. Step 3: Cross multiply
    140,615.56x = 194,054.34 × 80,195.32
  4. Step 4: Simplify right side
    140,615.56x = 15,562,249,893.69
  5. Step 5: Solve for x
    x = 15,562,249,893.69/140,615.56
  6. Step 6: Final answer
    x = 110,672.32

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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.