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Finding the Fourth Proportional to 133,770.74, 184,540.02 and 80,044.94

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Solution

The fourth proportional to 133,770.74, 184,540.02 and 80,044.94 is: 110,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,770.74 : 184,540.02 = 80,044.94 : x
  2. Step 2: Convert to fraction form
    133,770.74/184,540.02 = 80,044.94/x
  3. Step 3: Cross multiply
    133,770.74x = 184,540.02 × 80,044.94
  4. Step 4: Simplify right side
    133,770.74x = 14,771,494,828.50
  5. Step 5: Solve for x
    x = 14,771,494,828.50/133,770.74
  6. Step 6: Final answer
    x = 110,423.96

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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.