Home / 150,236.85-225,385.32-55,467.60

Finding the Fourth Proportional to 150,236.85, 225,385.32 and 55,467.60

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Solution

The fourth proportional to 150,236.85, 225,385.32 and 55,467.60 is: 83,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,236.85 : 225,385.32 = 55,467.60 : x
  2. Step 2: Convert to fraction form
    150,236.85/225,385.32 = 55,467.60/x
  3. Step 3: Cross multiply
    150,236.85x = 225,385.32 × 55,467.60
  4. Step 4: Simplify right side
    150,236.85x = 12,501,582,775.63
  5. Step 5: Solve for x
    x = 12,501,582,775.63/150,236.85
  6. Step 6: Final answer
    x = 83,212.49

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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.