Home / 133,853.37-184,733.09-80,138.34

Finding the Fourth Proportional to 133,853.37, 184,733.09 and 80,138.34

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Solution

The fourth proportional to 133,853.37, 184,733.09 and 80,138.34 is: 110,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.37 : 184,733.09 = 80,138.34 : x
  2. Step 2: Convert to fraction form
    133,853.37/184,733.09 = 80,138.34/x
  3. Step 3: Cross multiply
    133,853.37x = 184,733.09 × 80,138.34
  4. Step 4: Simplify right side
    133,853.37x = 14,804,202,774.98
  5. Step 5: Solve for x
    x = 14,804,202,774.98/133,853.37
  6. Step 6: Final answer
    x = 110,600.15

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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.