Home / 150,384.40-225,625.20-100,520.80

Finding the Fourth Proportional to 150,384.40, 225,625.20 and 100,520.80

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Solution

The fourth proportional to 150,384.40, 225,625.20 and 100,520.80 is: 150,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,384.40 : 225,625.20 = 100,520.80 : x
  2. Step 2: Convert to fraction form
    150,384.40/225,625.20 = 100,520.80/x
  3. Step 3: Cross multiply
    150,384.40x = 225,625.20 × 100,520.80
  4. Step 4: Simplify right side
    150,384.40x = 22,680,025,604.16
  5. Step 5: Solve for x
    x = 22,680,025,604.16/150,384.40
  6. Step 6: Final answer
    x = 150,813.69

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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.