Home / 165,835.80-228,672.72-112,027.44

Finding the Fourth Proportional to 165,835.80, 228,672.72 and 112,027.44

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Solution

The fourth proportional to 165,835.80, 228,672.72 and 112,027.44 is: 154,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,835.80 : 228,672.72 = 112,027.44 : x
  2. Step 2: Convert to fraction form
    165,835.80/228,672.72 = 112,027.44/x
  3. Step 3: Cross multiply
    165,835.80x = 228,672.72 × 112,027.44
  4. Step 4: Simplify right side
    165,835.80x = 25,617,619,419.44
  5. Step 5: Solve for x
    x = 25,617,619,419.44/165,835.80
  6. Step 6: Final answer
    x = 154,475.81

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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.