Home / 150,170.26-225,255.21-69,109.12

Finding the Fourth Proportional to 150,170.26, 225,255.21 and 69,109.12

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Solution

The fourth proportional to 150,170.26, 225,255.21 and 69,109.12 is: 103,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,170.26 : 225,255.21 = 69,109.12 : x
  2. Step 2: Convert to fraction form
    150,170.26/225,255.21 = 69,109.12/x
  3. Step 3: Cross multiply
    150,170.26x = 225,255.21 × 69,109.12
  4. Step 4: Simplify right side
    150,170.26x = 15,567,189,338.52
  5. Step 5: Solve for x
    x = 15,567,189,338.52/150,170.26
  6. Step 6: Final answer
    x = 103,663.60

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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.