Home / 112,011.06-168,086.92-45,451.46

Finding the Fourth Proportional to 112,011.06, 168,086.92 and 45,451.46

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Solution

The fourth proportional to 112,011.06, 168,086.92 and 45,451.46 is: 68,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,011.06 : 168,086.92 = 45,451.46 : x
  2. Step 2: Convert to fraction form
    112,011.06/168,086.92 = 45,451.46/x
  3. Step 3: Cross multiply
    112,011.06x = 168,086.92 × 45,451.46
  4. Step 4: Simplify right side
    112,011.06x = 7,639,795,920.90
  5. Step 5: Solve for x
    x = 7,639,795,920.90/112,011.06
  6. Step 6: Final answer
    x = 68,205.73

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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.