Home / 112,163.30-168,276.72-45,651.15

Finding the Fourth Proportional to 112,163.30, 168,276.72 and 45,651.15

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Solution

The fourth proportional to 112,163.30, 168,276.72 and 45,651.15 is: 68,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,163.30 : 168,276.72 = 45,651.15 : x
  2. Step 2: Convert to fraction form
    112,163.30/168,276.72 = 45,651.15/x
  3. Step 3: Cross multiply
    112,163.30x = 168,276.72 × 45,651.15
  4. Step 4: Simplify right side
    112,163.30x = 7,682,025,786.23
  5. Step 5: Solve for x
    x = 7,682,025,786.23/112,163.30
  6. Step 6: Final answer
    x = 68,489.66

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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.