Home / 183,021.21-274,131.93-76,080.96

Finding the Fourth Proportional to 183,021.21, 274,131.93 and 76,080.96

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Solution

The fourth proportional to 183,021.21, 274,131.93 and 76,080.96 is: 113,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,021.21 : 274,131.93 = 76,080.96 : x
  2. Step 2: Convert to fraction form
    183,021.21/274,131.93 = 76,080.96/x
  3. Step 3: Cross multiply
    183,021.21x = 274,131.93 × 76,080.96
  4. Step 4: Simplify right side
    183,021.21x = 20,856,220,401.05
  5. Step 5: Solve for x
    x = 20,856,220,401.05/183,021.21
  6. Step 6: Final answer
    x = 113,955.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.