Home / 165,289.49-228,193.19-126,454.28

Finding the Fourth Proportional to 165,289.49, 228,193.19 and 126,454.28

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Solution

The fourth proportional to 165,289.49, 228,193.19 and 126,454.28 is: 174,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,289.49 : 228,193.19 = 126,454.28 : x
  2. Step 2: Convert to fraction form
    165,289.49/228,193.19 = 126,454.28/x
  3. Step 3: Cross multiply
    165,289.49x = 228,193.19 × 126,454.28
  4. Step 4: Simplify right side
    165,289.49x = 28,856,004,717.52
  5. Step 5: Solve for x
    x = 28,856,004,717.52/165,289.49
  6. Step 6: Final answer
    x = 174,578.59

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1.5x scale

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.