Home / 751,105.92-1,126,660.80-190,140.48

Finding the Fourth Proportional to 751,105.92, 1,126,660.80 and 190,140.48

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Solution

The fourth proportional to 751,105.92, 1,126,660.80 and 190,140.48 is: 285,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,105.92 : 1,126,660.80 = 190,140.48 : x
  2. Step 2: Convert to fraction form
    751,105.92/1,126,660.80 = 190,140.48/x
  3. Step 3: Cross multiply
    751,105.92x = 1,126,660.80 × 190,140.48
  4. Step 4: Simplify right side
    751,105.92x = 214,223,825,309.18
  5. Step 5: Solve for x
    x = 214,223,825,309.18/751,105.92
  6. Step 6: Final answer
    x = 285,211.21

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Double scale
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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.