Home / 165,751.20-228,739.68-90,300.96

Finding the Fourth Proportional to 165,751.20, 228,739.68 and 90,300.96

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Solution

The fourth proportional to 165,751.20, 228,739.68 and 90,300.96 is: 124,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,751.20 : 228,739.68 = 90,300.96 : x
  2. Step 2: Convert to fraction form
    165,751.20/228,739.68 = 90,300.96/x
  3. Step 3: Cross multiply
    165,751.20x = 228,739.68 × 90,300.96
  4. Step 4: Simplify right side
    165,751.20x = 20,655,412,694.09
  5. Step 5: Solve for x
    x = 20,655,412,694.09/165,751.20
  6. Step 6: Final answer
    x = 124,616.97

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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.