Home / 165,077.37-227,296.69-128,924.85

Finding the Fourth Proportional to 165,077.37, 227,296.69 and 128,924.85

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Solution

The fourth proportional to 165,077.37, 227,296.69 and 128,924.85 is: 177,517.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,077.37 : 227,296.69 = 128,924.85 : x
  2. Step 2: Convert to fraction form
    165,077.37/227,296.69 = 128,924.85/x
  3. Step 3: Cross multiply
    165,077.37x = 227,296.69 × 128,924.85
  4. Step 4: Simplify right side
    165,077.37x = 29,304,190,204.95
  5. Step 5: Solve for x
    x = 29,304,190,204.95/165,077.37
  6. Step 6: Final answer
    x = 177,517.92

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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.