Home / 130,016.54-178,733.97-111,800.55

Finding the Fourth Proportional to 130,016.54, 178,733.97 and 111,800.55

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Solution

The fourth proportional to 130,016.54, 178,733.97 and 111,800.55 is: 153,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.54 : 178,733.97 = 111,800.55 : x
  2. Step 2: Convert to fraction form
    130,016.54/178,733.97 = 111,800.55/x
  3. Step 3: Cross multiply
    130,016.54x = 178,733.97 × 111,800.55
  4. Step 4: Simplify right side
    130,016.54x = 19,982,556,149.68
  5. Step 5: Solve for x
    x = 19,982,556,149.68/130,016.54
  6. Step 6: Final answer
    x = 153,692.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.