Home / 133,853.62-184,733.43-80,138.59

Finding the Fourth Proportional to 133,853.62, 184,733.43 and 80,138.59

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Solution

The fourth proportional to 133,853.62, 184,733.43 and 80,138.59 is: 110,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,853.62 : 184,733.43 = 80,138.59 : x
  2. Step 2: Convert to fraction form
    133,853.62/184,733.43 = 80,138.59/x
  3. Step 3: Cross multiply
    133,853.62x = 184,733.43 × 80,138.59
  4. Step 4: Simplify right side
    133,853.62x = 14,804,276,606.06
  5. Step 5: Solve for x
    x = 14,804,276,606.06/133,853.62
  6. Step 6: Final answer
    x = 110,600.49

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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.