Home / 180,128.39-270,046.76-75,026.03

Finding the Fourth Proportional to 180,128.39, 270,046.76 and 75,026.03

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Solution

The fourth proportional to 180,128.39, 270,046.76 and 75,026.03 is: 112,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,128.39 : 270,046.76 = 75,026.03 : x
  2. Step 2: Convert to fraction form
    180,128.39/270,046.76 = 75,026.03/x
  3. Step 3: Cross multiply
    180,128.39x = 270,046.76 × 75,026.03
  4. Step 4: Simplify right side
    180,128.39x = 20,260,534,591.80
  5. Step 5: Solve for x
    x = 20,260,534,591.80/180,128.39
  6. Step 6: Final answer
    x = 112,478.30

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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.