Home / 133,958.24-184,665-102,071.84

Finding the Fourth Proportional to 133,958.24, 184,665 and 102,071.84

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Solution

The fourth proportional to 133,958.24, 184,665 and 102,071.84 is: 140,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,958.24 : 184,665 = 102,071.84 : x
  2. Step 2: Convert to fraction form
    133,958.24/184,665 = 102,071.84/x
  3. Step 3: Cross multiply
    133,958.24x = 184,665 × 102,071.84
  4. Step 4: Simplify right side
    133,958.24x = 18,849,096,333.60
  5. Step 5: Solve for x
    x = 18,849,096,333.60/133,958.24
  6. Step 6: Final answer
    x = 140,708.75

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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.