Home / 133,853.88-184,687.38-80,118.48

Finding the Fourth Proportional to 133,853.88, 184,687.38 and 80,118.48

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Solution

The fourth proportional to 133,853.88, 184,687.38 and 80,118.48 is: 110,544.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.88 : 184,687.38 = 80,118.48 : x
  2. Step 2: Convert to fraction form
    133,853.88/184,687.38 = 80,118.48/x
  3. Step 3: Cross multiply
    133,853.88x = 184,687.38 × 80,118.48
  4. Step 4: Simplify right side
    133,853.88x = 14,796,872,160.78
  5. Step 5: Solve for x
    x = 14,796,872,160.78/133,853.88
  6. Step 6: Final answer
    x = 110,544.96

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1.5x scale

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.