Home / 133,383.85-184,067.12-72,954.32

Finding the Fourth Proportional to 133,383.85, 184,067.12 and 72,954.32

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Solution

The fourth proportional to 133,383.85, 184,067.12 and 72,954.32 is: 100,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383.85 : 184,067.12 = 72,954.32 : x
  2. Step 2: Convert to fraction form
    133,383.85/184,067.12 = 72,954.32/x
  3. Step 3: Cross multiply
    133,383.85x = 184,067.12 × 72,954.32
  4. Step 4: Simplify right side
    133,383.85x = 13,428,490,836.01
  5. Step 5: Solve for x
    x = 13,428,490,836.01/133,383.85
  6. Step 6: Final answer
    x = 100,675.54

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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.