Home / 165,268.98-228,064.77-89,815.86

Finding the Fourth Proportional to 165,268.98, 228,064.77 and 89,815.86

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Solution

The fourth proportional to 165,268.98, 228,064.77 and 89,815.86 is: 123,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,268.98 : 228,064.77 = 89,815.86 : x
  2. Step 2: Convert to fraction form
    165,268.98/228,064.77 = 89,815.86/x
  3. Step 3: Cross multiply
    165,268.98x = 228,064.77 × 89,815.86
  4. Step 4: Simplify right side
    165,268.98x = 20,483,833,453.25
  5. Step 5: Solve for x
    x = 20,483,833,453.25/165,268.98
  6. Step 6: Final answer
    x = 123,942.40

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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.