Home / 133,839.86-184,629.03-79,360.32

Finding the Fourth Proportional to 133,839.86, 184,629.03 and 79,360.32

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Solution

The fourth proportional to 133,839.86, 184,629.03 and 79,360.32 is: 109,475.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,839.86 : 184,629.03 = 79,360.32 : x
  2. Step 2: Convert to fraction form
    133,839.86/184,629.03 = 79,360.32/x
  3. Step 3: Cross multiply
    133,839.86x = 184,629.03 × 79,360.32
  4. Step 4: Simplify right side
    133,839.86x = 14,652,217,978.94
  5. Step 5: Solve for x
    x = 14,652,217,978.94/133,839.86
  6. Step 6: Final answer
    x = 109,475.75

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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.