Home / 165,076.87-227,295.99-128,924.35

Finding the Fourth Proportional to 165,076.87, 227,295.99 and 128,924.35

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Solution

The fourth proportional to 165,076.87, 227,295.99 and 128,924.35 is: 177,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,076.87 : 227,295.99 = 128,924.35 : x
  2. Step 2: Convert to fraction form
    165,076.87/227,295.99 = 128,924.35/x
  3. Step 3: Cross multiply
    165,076.87x = 227,295.99 × 128,924.35
  4. Step 4: Simplify right side
    165,076.87x = 29,303,987,768.36
  5. Step 5: Solve for x
    x = 29,303,987,768.36/165,076.87
  6. Step 6: Final answer
    x = 177,517.22

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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.