Home / 112,101.02-168,122.80-33,196.78

Finding the Fourth Proportional to 112,101.02, 168,122.80 and 33,196.78

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Solution

The fourth proportional to 112,101.02, 168,122.80 and 33,196.78 is: 49,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101.02 : 168,122.80 = 33,196.78 : x
  2. Step 2: Convert to fraction form
    112,101.02/168,122.80 = 33,196.78/x
  3. Step 3: Cross multiply
    112,101.02x = 168,122.80 × 33,196.78
  4. Step 4: Simplify right side
    112,101.02x = 5,581,135,604.58
  5. Step 5: Solve for x
    x = 5,581,135,604.58/112,101.02
  6. Step 6: Final answer
    x = 49,786.66

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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.