Home / 165,286.30-228,094.20-93,679.86

Finding the Fourth Proportional to 165,286.30, 228,094.20 and 93,679.86

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Solution

The fourth proportional to 165,286.30, 228,094.20 and 93,679.86 is: 129,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,286.30 : 228,094.20 = 93,679.86 : x
  2. Step 2: Convert to fraction form
    165,286.30/228,094.20 = 93,679.86/x
  3. Step 3: Cross multiply
    165,286.30x = 228,094.20 × 93,679.86
  4. Step 4: Simplify right side
    165,286.30x = 21,367,832,722.81
  5. Step 5: Solve for x
    x = 21,367,832,722.81/165,286.30
  6. Step 6: Final answer
    x = 129,277.70

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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.