Home / 140,595.44-194,024.84-76,933.20

Finding the Fourth Proportional to 140,595.44, 194,024.84 and 76,933.20

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Solution

The fourth proportional to 140,595.44, 194,024.84 and 76,933.20 is: 106,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,595.44 : 194,024.84 = 76,933.20 : x
  2. Step 2: Convert to fraction form
    140,595.44/194,024.84 = 76,933.20/x
  3. Step 3: Cross multiply
    140,595.44x = 194,024.84 × 76,933.20
  4. Step 4: Simplify right side
    140,595.44x = 14,926,951,820.69
  5. Step 5: Solve for x
    x = 14,926,951,820.69/140,595.44
  6. Step 6: Final answer
    x = 106,169.53

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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.