Home / 165,166.86-227,949.39-155,033.22

Finding the Fourth Proportional to 165,166.86, 227,949.39 and 155,033.22

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Solution

The fourth proportional to 165,166.86, 227,949.39 and 155,033.22 is: 213,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,166.86 : 227,949.39 = 155,033.22 : x
  2. Step 2: Convert to fraction form
    165,166.86/227,949.39 = 155,033.22/x
  3. Step 3: Cross multiply
    165,166.86x = 227,949.39 × 155,033.22
  4. Step 4: Simplify right side
    165,166.86x = 35,339,727,928.74
  5. Step 5: Solve for x
    x = 35,339,727,928.74/165,166.86
  6. Step 6: Final answer
    x = 213,963.79

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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.