Home / 165,667.20-228,705.60-112,233.60

Finding the Fourth Proportional to 165,667.20, 228,705.60 and 112,233.60

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Solution

The fourth proportional to 165,667.20, 228,705.60 and 112,233.60 is: 154,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,667.20 : 228,705.60 = 112,233.60 : x
  2. Step 2: Convert to fraction form
    165,667.20/228,705.60 = 112,233.60/x
  3. Step 3: Cross multiply
    165,667.20x = 228,705.60 × 112,233.60
  4. Step 4: Simplify right side
    165,667.20x = 25,668,452,828.16
  5. Step 5: Solve for x
    x = 25,668,452,828.16/165,667.20
  6. Step 6: Final answer
    x = 154,939.86

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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.