Home / 165,128.36-227,971.60-108,703.76

Finding the Fourth Proportional to 165,128.36, 227,971.60 and 108,703.76

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Solution

The fourth proportional to 165,128.36, 227,971.60 and 108,703.76 is: 150,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,128.36 : 227,971.60 = 108,703.76 : x
  2. Step 2: Convert to fraction form
    165,128.36/227,971.60 = 108,703.76/x
  3. Step 3: Cross multiply
    165,128.36x = 227,971.60 × 108,703.76
  4. Step 4: Simplify right side
    165,128.36x = 24,781,370,093.22
  5. Step 5: Solve for x
    x = 24,781,370,093.22/165,128.36
  6. Step 6: Final answer
    x = 150,073.37

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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.