Home / 112,198.02-168,136.65-82,381.92

Finding the Fourth Proportional to 112,198.02, 168,136.65 and 82,381.92

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Solution

The fourth proportional to 112,198.02, 168,136.65 and 82,381.92 is: 123,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,198.02 : 168,136.65 = 82,381.92 : x
  2. Step 2: Convert to fraction form
    112,198.02/168,136.65 = 82,381.92/x
  3. Step 3: Cross multiply
    112,198.02x = 168,136.65 × 82,381.92
  4. Step 4: Simplify right side
    112,198.02x = 13,851,420,049.37
  5. Step 5: Solve for x
    x = 13,851,420,049.37/112,198.02
  6. Step 6: Final answer
    x = 123,455.12

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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.