Home / 180,684.54-270,882.09-85,867.29

Finding the Fourth Proportional to 180,684.54, 270,882.09 and 85,867.29

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Solution

The fourth proportional to 180,684.54, 270,882.09 and 85,867.29 is: 128,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,684.54 : 270,882.09 = 85,867.29 : x
  2. Step 2: Convert to fraction form
    180,684.54/270,882.09 = 85,867.29/x
  3. Step 3: Cross multiply
    180,684.54x = 270,882.09 × 85,867.29
  4. Step 4: Simplify right side
    180,684.54x = 23,259,910,977.84
  5. Step 5: Solve for x
    x = 23,259,910,977.84/180,684.54
  6. Step 6: Final answer
    x = 128,732.16

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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.