Home / 112,621.80-168,932.70-110,872.20

Finding the Fourth Proportional to 112,621.80, 168,932.70 and 110,872.20

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Solution

The fourth proportional to 112,621.80, 168,932.70 and 110,872.20 is: 166,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,621.80 : 168,932.70 = 110,872.20 : x
  2. Step 2: Convert to fraction form
    112,621.80/168,932.70 = 110,872.20/x
  3. Step 3: Cross multiply
    112,621.80x = 168,932.70 × 110,872.20
  4. Step 4: Simplify right side
    112,621.80x = 18,729,940,100.94
  5. Step 5: Solve for x
    x = 18,729,940,100.94/112,621.80
  6. Step 6: Final answer
    x = 166,308.30

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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.