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Finding the Fourth Proportional to 133,687.44, 184,489.11 and 73,258.74

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Solution

The fourth proportional to 133,687.44, 184,489.11 and 73,258.74 is: 101,097.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.44 : 184,489.11 = 73,258.74 : x
  2. Step 2: Convert to fraction form
    133,687.44/184,489.11 = 73,258.74/x
  3. Step 3: Cross multiply
    133,687.44x = 184,489.11 × 73,258.74
  4. Step 4: Simplify right side
    133,687.44x = 13,515,439,742.32
  5. Step 5: Solve for x
    x = 13,515,439,742.32/133,687.44
  6. Step 6: Final answer
    x = 101,097.30

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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.