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Finding the Fourth Proportional to 183,409.32, 253,104.82 and 102,836.85

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Solution

The fourth proportional to 183,409.32, 253,104.82 and 102,836.85 is: 141,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,409.32 : 253,104.82 = 102,836.85 : x
  2. Step 2: Convert to fraction form
    183,409.32/253,104.82 = 102,836.85/x
  3. Step 3: Cross multiply
    183,409.32x = 253,104.82 × 102,836.85
  4. Step 4: Simplify right side
    183,409.32x = 26,028,502,408.62
  5. Step 5: Solve for x
    x = 26,028,502,408.62/183,409.32
  6. Step 6: Final answer
    x = 141,914.83

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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.