Home / 140,914.48-194,241.09-106,786.35

Finding the Fourth Proportional to 140,914.48, 194,241.09 and 106,786.35

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Solution

The fourth proportional to 140,914.48, 194,241.09 and 106,786.35 is: 147,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,914.48 : 194,241.09 = 106,786.35 : x
  2. Step 2: Convert to fraction form
    140,914.48/194,241.09 = 106,786.35/x
  3. Step 3: Cross multiply
    140,914.48x = 194,241.09 × 106,786.35
  4. Step 4: Simplify right side
    140,914.48x = 20,742,297,021.12
  5. Step 5: Solve for x
    x = 20,742,297,021.12/140,914.48
  6. Step 6: Final answer
    x = 147,197.77

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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.