Home / 140,635.99-194,076.18-76,103.81

Finding the Fourth Proportional to 140,635.99, 194,076.18 and 76,103.81

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Solution

The fourth proportional to 140,635.99, 194,076.18 and 76,103.81 is: 105,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,635.99 : 194,076.18 = 76,103.81 : x
  2. Step 2: Convert to fraction form
    140,635.99/194,076.18 = 76,103.81/x
  3. Step 3: Cross multiply
    140,635.99x = 194,076.18 × 76,103.81
  4. Step 4: Simplify right side
    140,635.99x = 14,769,936,728.25
  5. Step 5: Solve for x
    x = 14,769,936,728.25/140,635.99
  6. Step 6: Final answer
    x = 105,022.46

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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.