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Finding the Fourth Proportional to 133,836.82, 184,695.71 and 73,407.88

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Solution

The fourth proportional to 133,836.82, 184,695.71 and 73,407.88 is: 101,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,836.82 : 184,695.71 = 73,407.88 : x
  2. Step 2: Convert to fraction form
    133,836.82/184,695.71 = 73,407.88/x
  3. Step 3: Cross multiply
    133,836.82x = 184,695.71 × 73,407.88
  4. Step 4: Simplify right side
    133,836.82x = 13,558,120,237.98
  5. Step 5: Solve for x
    x = 13,558,120,237.98/133,836.82
  6. Step 6: Final answer
    x = 101,303.37

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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.