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Finding the Fourth Proportional to 133,969.62, 184,867.89 and 73,530.66

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Solution

The fourth proportional to 133,969.62, 184,867.89 and 73,530.66 is: 101,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,969.62 : 184,867.89 = 73,530.66 : x
  2. Step 2: Convert to fraction form
    133,969.62/184,867.89 = 73,530.66/x
  3. Step 3: Cross multiply
    133,969.62x = 184,867.89 × 73,530.66
  4. Step 4: Simplify right side
    133,969.62x = 13,593,457,964.51
  5. Step 5: Solve for x
    x = 13,593,457,964.51/133,969.62
  6. Step 6: Final answer
    x = 101,466.72

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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.