Home / 100,232.20-150,348.30-84,485.80

Finding the Fourth Proportional to 100,232.20, 150,348.30 and 84,485.80

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Solution

The fourth proportional to 100,232.20, 150,348.30 and 84,485.80 is: 126,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,232.20 : 150,348.30 = 84,485.80 : x
  2. Step 2: Convert to fraction form
    100,232.20/150,348.30 = 84,485.80/x
  3. Step 3: Cross multiply
    100,232.20x = 150,348.30 × 84,485.80
  4. Step 4: Simplify right side
    100,232.20x = 12,702,296,404.14
  5. Step 5: Solve for x
    x = 12,702,296,404.14/100,232.20
  6. Step 6: Final answer
    x = 126,728.70

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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.