Home / 165,739.26-228,721.68-90,287.76

Finding the Fourth Proportional to 165,739.26, 228,721.68 and 90,287.76

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Solution

The fourth proportional to 165,739.26, 228,721.68 and 90,287.76 is: 124,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,739.26 : 228,721.68 = 90,287.76 : x
  2. Step 2: Convert to fraction form
    165,739.26/228,721.68 = 90,287.76/x
  3. Step 3: Cross multiply
    165,739.26x = 228,721.68 × 90,287.76
  4. Step 4: Simplify right side
    165,739.26x = 20,650,768,150.64
  5. Step 5: Solve for x
    x = 20,650,768,150.64/165,739.26
  6. Step 6: Final answer
    x = 124,597.93

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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.