Home / 122,941.80-184,412.70-109,722.60

Finding the Fourth Proportional to 122,941.80, 184,412.70 and 109,722.60

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Solution

The fourth proportional to 122,941.80, 184,412.70 and 109,722.60 is: 164,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,941.80 : 184,412.70 = 109,722.60 : x
  2. Step 2: Convert to fraction form
    122,941.80/184,412.70 = 109,722.60/x
  3. Step 3: Cross multiply
    122,941.80x = 184,412.70 × 109,722.60
  4. Step 4: Simplify right side
    122,941.80x = 20,234,240,917.02
  5. Step 5: Solve for x
    x = 20,234,240,917.02/122,941.80
  6. Step 6: Final answer
    x = 164,583.90

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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.