Home / 165,091.56-227,825.10-89,640.60

Finding the Fourth Proportional to 165,091.56, 227,825.10 and 89,640.60

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Solution

The fourth proportional to 165,091.56, 227,825.10 and 89,640.60 is: 123,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,091.56 : 227,825.10 = 89,640.60 : x
  2. Step 2: Convert to fraction form
    165,091.56/227,825.10 = 89,640.60/x
  3. Step 3: Cross multiply
    165,091.56x = 227,825.10 × 89,640.60
  4. Step 4: Simplify right side
    165,091.56x = 20,422,378,659.06
  5. Step 5: Solve for x
    x = 20,422,378,659.06/165,091.56
  6. Step 6: Final answer
    x = 123,703.35

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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.