Home / 133,845.66-184,722.45-80,130.65

Finding the Fourth Proportional to 133,845.66, 184,722.45 and 80,130.65

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Solution

The fourth proportional to 133,845.66, 184,722.45 and 80,130.65 is: 110,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845.66 : 184,722.45 = 80,130.65 : x
  2. Step 2: Convert to fraction form
    133,845.66/184,722.45 = 80,130.65/x
  3. Step 3: Cross multiply
    133,845.66x = 184,722.45 × 80,130.65
  4. Step 4: Simplify right side
    133,845.66x = 14,801,928,663.83
  5. Step 5: Solve for x
    x = 14,801,928,663.83/133,845.66
  6. Step 6: Final answer
    x = 110,589.53

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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.