Home / 165,080.12-227,300.48-128,927.60

Finding the Fourth Proportional to 165,080.12, 227,300.48 and 128,927.60

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Solution

The fourth proportional to 165,080.12, 227,300.48 and 128,927.60 is: 177,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,080.12 : 227,300.48 = 128,927.60 : x
  2. Step 2: Convert to fraction form
    165,080.12/227,300.48 = 128,927.60/x
  3. Step 3: Cross multiply
    165,080.12x = 227,300.48 × 128,927.60
  4. Step 4: Simplify right side
    165,080.12x = 29,305,305,365.25
  5. Step 5: Solve for x
    x = 29,305,305,365.25/165,080.12
  6. Step 6: Final answer
    x = 177,521.71

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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.