Home / 150,255.45-225,508.32-79,203.60

Finding the Fourth Proportional to 150,255.45, 225,508.32 and 79,203.60

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Solution

The fourth proportional to 150,255.45, 225,508.32 and 79,203.60 is: 118,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,255.45 : 225,508.32 = 79,203.60 : x
  2. Step 2: Convert to fraction form
    150,255.45/225,508.32 = 79,203.60/x
  3. Step 3: Cross multiply
    150,255.45x = 225,508.32 × 79,203.60
  4. Step 4: Simplify right side
    150,255.45x = 17,861,070,773.95
  5. Step 5: Solve for x
    x = 17,861,070,773.95/150,255.45
  6. Step 6: Final answer
    x = 118,871.37

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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.