Home / 165,238.46-228,030.51-89,786.96

Finding the Fourth Proportional to 165,238.46, 228,030.51 and 89,786.96

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Solution

The fourth proportional to 165,238.46, 228,030.51 and 89,786.96 is: 123,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,238.46 : 228,030.51 = 89,786.96 : x
  2. Step 2: Convert to fraction form
    165,238.46/228,030.51 = 89,786.96/x
  3. Step 3: Cross multiply
    165,238.46x = 228,030.51 × 89,786.96
  4. Step 4: Simplify right side
    165,238.46x = 20,474,166,280.15
  5. Step 5: Solve for x
    x = 20,474,166,280.15/165,238.46
  6. Step 6: Final answer
    x = 123,906.78

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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.