Home / 165,326.77-228,136.34-91,741.05

Finding the Fourth Proportional to 165,326.77, 228,136.34 and 91,741.05

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Solution

The fourth proportional to 165,326.77, 228,136.34 and 91,741.05 is: 126,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,326.77 : 228,136.34 = 91,741.05 : x
  2. Step 2: Convert to fraction form
    165,326.77/228,136.34 = 91,741.05/x
  3. Step 3: Cross multiply
    165,326.77x = 228,136.34 × 91,741.05
  4. Step 4: Simplify right side
    165,326.77x = 20,929,467,604.11
  5. Step 5: Solve for x
    x = 20,929,467,604.11/165,326.77
  6. Step 6: Final answer
    x = 126,594.55

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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.