Home / 122,955.40-184,433.10-111,874.60

Finding the Fourth Proportional to 122,955.40, 184,433.10 and 111,874.60

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Solution

The fourth proportional to 122,955.40, 184,433.10 and 111,874.60 is: 167,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,955.40 : 184,433.10 = 111,874.60 : x
  2. Step 2: Convert to fraction form
    122,955.40/184,433.10 = 111,874.60/x
  3. Step 3: Cross multiply
    122,955.40x = 184,433.10 × 111,874.60
  4. Step 4: Simplify right side
    122,955.40x = 20,633,379,289.26
  5. Step 5: Solve for x
    x = 20,633,379,289.26/122,955.40
  6. Step 6: Final answer
    x = 167,811.90

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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.