Home / 180,126.53-270,194.43-85,334.51

Finding the Fourth Proportional to 180,126.53, 270,194.43 and 85,334.51

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Solution

The fourth proportional to 180,126.53, 270,194.43 and 85,334.51 is: 128,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,126.53 : 270,194.43 = 85,334.51 : x
  2. Step 2: Convert to fraction form
    180,126.53/270,194.43 = 85,334.51/x
  3. Step 3: Cross multiply
    180,126.53x = 270,194.43 × 85,334.51
  4. Step 4: Simplify right side
    180,126.53x = 23,056,910,284.27
  5. Step 5: Solve for x
    x = 23,056,910,284.27/180,126.53
  6. Step 6: Final answer
    x = 128,003.96

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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.