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Finding the Fourth Proportional to 133,687.79, 184,486.24 and 73,257.13

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Solution

The fourth proportional to 133,687.79, 184,486.24 and 73,257.13 is: 101,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,687.79 : 184,486.24 = 73,257.13 : x
  2. Step 2: Convert to fraction form
    133,687.79/184,486.24 = 73,257.13/x
  3. Step 3: Cross multiply
    133,687.79x = 184,486.24 × 73,257.13
  4. Step 4: Simplify right side
    133,687.79x = 13,514,932,466.89
  5. Step 5: Solve for x
    x = 13,514,932,466.89/133,687.79
  6. Step 6: Final answer
    x = 101,093.24

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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.