Home / 133,481.37-184,186.11-79,755.03

Finding the Fourth Proportional to 133,481.37, 184,186.11 and 79,755.03

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Solution

The fourth proportional to 133,481.37, 184,186.11 and 79,755.03 is: 110,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.37 : 184,186.11 = 79,755.03 : x
  2. Step 2: Convert to fraction form
    133,481.37/184,186.11 = 79,755.03/x
  3. Step 3: Cross multiply
    133,481.37x = 184,186.11 × 79,755.03
  4. Step 4: Simplify right side
    133,481.37x = 14,689,768,728.63
  5. Step 5: Solve for x
    x = 14,689,768,728.63/133,481.37
  6. Step 6: Final answer
    x = 110,051.08

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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.