Home / 140,968.08-194,539.80-80,548.56

Finding the Fourth Proportional to 140,968.08, 194,539.80 and 80,548.56

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Solution

The fourth proportional to 140,968.08, 194,539.80 and 80,548.56 is: 111,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968.08 : 194,539.80 = 80,548.56 : x
  2. Step 2: Convert to fraction form
    140,968.08/194,539.80 = 80,548.56/x
  3. Step 3: Cross multiply
    140,968.08x = 194,539.80 × 80,548.56
  4. Step 4: Simplify right side
    140,968.08x = 15,669,900,752.69
  5. Step 5: Solve for x
    x = 15,669,900,752.69/140,968.08
  6. Step 6: Final answer
    x = 111,159.21

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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.