Home / 140,770.58-194,266.56-80,340.02

Finding the Fourth Proportional to 140,770.58, 194,266.56 and 80,340.02

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Solution

The fourth proportional to 140,770.58, 194,266.56 and 80,340.02 is: 110,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,770.58 : 194,266.56 = 80,340.02 : x
  2. Step 2: Convert to fraction form
    140,770.58/194,266.56 = 80,340.02/x
  3. Step 3: Cross multiply
    140,770.58x = 194,266.56 × 80,340.02
  4. Step 4: Simplify right side
    140,770.58x = 15,607,379,315.73
  5. Step 5: Solve for x
    x = 15,607,379,315.73/140,770.58
  6. Step 6: Final answer
    x = 110,871.03

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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.