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Finding the Fourth Proportional to 133,954.43, 184,859.37 and 73,530.72

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Solution

The fourth proportional to 133,954.43, 184,859.37 and 73,530.72 is: 101,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,954.43 : 184,859.37 = 73,530.72 : x
  2. Step 2: Convert to fraction form
    133,954.43/184,859.37 = 73,530.72/x
  3. Step 3: Cross multiply
    133,954.43x = 184,859.37 × 73,530.72
  4. Step 4: Simplify right side
    133,954.43x = 13,592,842,574.85
  5. Step 5: Solve for x
    x = 13,592,842,574.85/133,954.43
  6. Step 6: Final answer
    x = 101,473.64

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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.