Home / 180,321.89-270,507.44-75,116.25

Finding the Fourth Proportional to 180,321.89, 270,507.44 and 75,116.25

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Solution

The fourth proportional to 180,321.89, 270,507.44 and 75,116.25 is: 112,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,321.89 : 270,507.44 = 75,116.25 : x
  2. Step 2: Convert to fraction form
    180,321.89/270,507.44 = 75,116.25/x
  3. Step 3: Cross multiply
    180,321.89x = 270,507.44 × 75,116.25
  4. Step 4: Simplify right side
    180,321.89x = 20,319,504,677.69
  5. Step 5: Solve for x
    x = 20,319,504,677.69/180,321.89
  6. Step 6: Final answer
    x = 112,684.63

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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.