Home / 111,036.90-166,555.35-110,380.80

Finding the Fourth Proportional to 111,036.90, 166,555.35 and 110,380.80

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Solution

The fourth proportional to 111,036.90, 166,555.35 and 110,380.80 is: 165,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,036.90 : 166,555.35 = 110,380.80 : x
  2. Step 2: Convert to fraction form
    111,036.90/166,555.35 = 110,380.80/x
  3. Step 3: Cross multiply
    111,036.90x = 166,555.35 × 110,380.80
  4. Step 4: Simplify right side
    111,036.90x = 18,384,512,777.28
  5. Step 5: Solve for x
    x = 18,384,512,777.28/111,036.90
  6. Step 6: Final answer
    x = 165,571.20

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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.