Home / 149,242.21-205,968.78-111,450.85

Finding the Fourth Proportional to 149,242.21, 205,968.78 and 111,450.85

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Solution

The fourth proportional to 149,242.21, 205,968.78 and 111,450.85 is: 153,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,242.21 : 205,968.78 = 111,450.85 : x
  2. Step 2: Convert to fraction form
    149,242.21/205,968.78 = 111,450.85/x
  3. Step 3: Cross multiply
    149,242.21x = 205,968.78 × 111,450.85
  4. Step 4: Simplify right side
    149,242.21x = 22,955,395,604.46
  5. Step 5: Solve for x
    x = 22,955,395,604.46/149,242.21
  6. Step 6: Final answer
    x = 153,813.02

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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.