Home / 150,108.78-225,190.46-71,222.28

Finding the Fourth Proportional to 150,108.78, 225,190.46 and 71,222.28

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Solution

The fourth proportional to 150,108.78, 225,190.46 and 71,222.28 is: 106,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,108.78 : 225,190.46 = 71,222.28 : x
  2. Step 2: Convert to fraction form
    150,108.78/225,190.46 = 71,222.28/x
  3. Step 3: Cross multiply
    150,108.78x = 225,190.46 × 71,222.28
  4. Step 4: Simplify right side
    150,108.78x = 16,038,577,995.45
  5. Step 5: Solve for x
    x = 16,038,577,995.45/150,108.78
  6. Step 6: Final answer
    x = 106,846.37

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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.