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Finding the Fourth Proportional to 133,895, 184,775.10 and 74,279

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Solution

The fourth proportional to 133,895, 184,775.10 and 74,279 is: 102,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,895 : 184,775.10 = 74,279 : x
  2. Step 2: Convert to fraction form
    133,895/184,775.10 = 74,279/x
  3. Step 3: Cross multiply
    133,895x = 184,775.10 × 74,279
  4. Step 4: Simplify right side
    133,895x = 13,724,909,652.90
  5. Step 5: Solve for x
    x = 13,724,909,652.90/133,895
  6. Step 6: Final answer
    x = 102,505.02

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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.