Home / 150,564.20-225,846.30-80,407.40

Finding the Fourth Proportional to 150,564.20, 225,846.30 and 80,407.40

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Solution

The fourth proportional to 150,564.20, 225,846.30 and 80,407.40 is: 120,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.20 : 225,846.30 = 80,407.40 : x
  2. Step 2: Convert to fraction form
    150,564.20/225,846.30 = 80,407.40/x
  3. Step 3: Cross multiply
    150,564.20x = 225,846.30 × 80,407.40
  4. Step 4: Simplify right side
    150,564.20x = 18,159,713,782.62
  5. Step 5: Solve for x
    x = 18,159,713,782.62/150,564.20
  6. Step 6: Final answer
    x = 120,611.10

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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.