Home / 165,835.54-228,890.01-105,394.42

Finding the Fourth Proportional to 165,835.54, 228,890.01 and 105,394.42

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Solution

The fourth proportional to 165,835.54, 228,890.01 and 105,394.42 is: 145,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,835.54 : 228,890.01 = 105,394.42 : x
  2. Step 2: Convert to fraction form
    165,835.54/228,890.01 = 105,394.42/x
  3. Step 3: Cross multiply
    165,835.54x = 228,890.01 × 105,394.42
  4. Step 4: Simplify right side
    165,835.54x = 24,123,729,847.74
  5. Step 5: Solve for x
    x = 24,123,729,847.74/165,835.54
  6. Step 6: Final answer
    x = 145,467.79

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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.