Home / 165,839.41-228,891.05-115,509.25

Finding the Fourth Proportional to 165,839.41, 228,891.05 and 115,509.25

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Solution

The fourth proportional to 165,839.41, 228,891.05 and 115,509.25 is: 159,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,839.41 : 228,891.05 = 115,509.25 : x
  2. Step 2: Convert to fraction form
    165,839.41/228,891.05 = 115,509.25/x
  3. Step 3: Cross multiply
    165,839.41x = 228,891.05 × 115,509.25
  4. Step 4: Simplify right side
    165,839.41x = 26,439,032,939.67
  5. Step 5: Solve for x
    x = 26,439,032,939.67/165,839.41
  6. Step 6: Final answer
    x = 159,425.51

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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.