Home / 165,531.88-228,418.19-92,918.15

Finding the Fourth Proportional to 165,531.88, 228,418.19 and 92,918.15

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Solution

The fourth proportional to 165,531.88, 228,418.19 and 92,918.15 is: 128,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,531.88 : 228,418.19 = 92,918.15 : x
  2. Step 2: Convert to fraction form
    165,531.88/228,418.19 = 92,918.15/x
  3. Step 3: Cross multiply
    165,531.88x = 228,418.19 × 92,918.15
  4. Step 4: Simplify right side
    165,531.88x = 21,224,194,499.06
  5. Step 5: Solve for x
    x = 21,224,194,499.06/165,531.88
  6. Step 6: Final answer
    x = 128,218.17

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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.