Home / 100,194.12-150,314.22-30,074.76

Finding the Fourth Proportional to 100,194.12, 150,314.22 and 30,074.76

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Solution

The fourth proportional to 100,194.12, 150,314.22 and 30,074.76 is: 45,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,194.12 : 150,314.22 = 30,074.76 : x
  2. Step 2: Convert to fraction form
    100,194.12/150,314.22 = 30,074.76/x
  3. Step 3: Cross multiply
    100,194.12x = 150,314.22 × 30,074.76
  4. Step 4: Simplify right side
    100,194.12x = 4,520,664,091.09
  5. Step 5: Solve for x
    x = 4,520,664,091.09/100,194.12
  6. Step 6: Final answer
    x = 45,119.06

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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.