Home / 259,263.10-388,906.96-125,984.60

Finding the Fourth Proportional to 259,263.10, 388,906.96 and 125,984.60

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Solution

The fourth proportional to 259,263.10, 388,906.96 and 125,984.60 is: 188,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,263.10 : 388,906.96 = 125,984.60 : x
  2. Step 2: Convert to fraction form
    259,263.10/388,906.96 = 125,984.60/x
  3. Step 3: Cross multiply
    259,263.10x = 388,906.96 × 125,984.60
  4. Step 4: Simplify right side
    259,263.10x = 48,996,287,792.82
  5. Step 5: Solve for x
    x = 48,996,287,792.82/259,263.10
  6. Step 6: Final answer
    x = 188,982.88

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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.