Home / 165,270.98-228,067.53-89,817.86

Finding the Fourth Proportional to 165,270.98, 228,067.53 and 89,817.86

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Solution

The fourth proportional to 165,270.98, 228,067.53 and 89,817.86 is: 123,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,270.98 : 228,067.53 = 89,817.86 : x
  2. Step 2: Convert to fraction form
    165,270.98/228,067.53 = 89,817.86/x
  3. Step 3: Cross multiply
    165,270.98x = 228,067.53 × 89,817.86
  4. Step 4: Simplify right side
    165,270.98x = 20,484,537,480.09
  5. Step 5: Solve for x
    x = 20,484,537,480.09/165,270.98
  6. Step 6: Final answer
    x = 123,945.16

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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.