Home / 170,131.20-255,196.80-111,033.60

Finding the Fourth Proportional to 170,131.20, 255,196.80 and 111,033.60

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Solution

The fourth proportional to 170,131.20, 255,196.80 and 111,033.60 is: 166,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,131.20 : 255,196.80 = 111,033.60 : x
  2. Step 2: Convert to fraction form
    170,131.20/255,196.80 = 111,033.60/x
  3. Step 3: Cross multiply
    170,131.20x = 255,196.80 × 111,033.60
  4. Step 4: Simplify right side
    170,131.20x = 28,335,419,412.48
  5. Step 5: Solve for x
    x = 28,335,419,412.48/170,131.20
  6. Step 6: Final answer
    x = 166,550.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.