Home / 112,198.80-168,082.20-88,380.30

Finding the Fourth Proportional to 112,198.80, 168,082.20 and 88,380.30

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Solution

The fourth proportional to 112,198.80, 168,082.20 and 88,380.30 is: 132,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,198.80 : 168,082.20 = 88,380.30 : x
  2. Step 2: Convert to fraction form
    112,198.80/168,082.20 = 88,380.30/x
  3. Step 3: Cross multiply
    112,198.80x = 168,082.20 × 88,380.30
  4. Step 4: Simplify right side
    112,198.80x = 14,855,155,260.66
  5. Step 5: Solve for x
    x = 14,855,155,260.66/112,198.80
  6. Step 6: Final answer
    x = 132,400.30

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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.