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Finding the Fourth Proportional to 133,471.74, 184,185.45 and 73,040.88

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Solution

The fourth proportional to 133,471.74, 184,185.45 and 73,040.88 is: 100,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,471.74 : 184,185.45 = 73,040.88 : x
  2. Step 2: Convert to fraction form
    133,471.74/184,185.45 = 73,040.88/x
  3. Step 3: Cross multiply
    133,471.74x = 184,185.45 × 73,040.88
  4. Step 4: Simplify right side
    133,471.74x = 13,453,067,351.20
  5. Step 5: Solve for x
    x = 13,453,067,351.20/133,471.74
  6. Step 6: Final answer
    x = 100,793.38

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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.