Home / 126,725.20-190,087.80-125,850.40

Finding the Fourth Proportional to 126,725.20, 190,087.80 and 125,850.40

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Solution

The fourth proportional to 126,725.20, 190,087.80 and 125,850.40 is: 188,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.20 : 190,087.80 = 125,850.40 : x
  2. Step 2: Convert to fraction form
    126,725.20/190,087.80 = 125,850.40/x
  3. Step 3: Cross multiply
    126,725.20x = 190,087.80 × 125,850.40
  4. Step 4: Simplify right side
    126,725.20x = 23,922,625,665.12
  5. Step 5: Solve for x
    x = 23,922,625,665.12/126,725.20
  6. Step 6: Final answer
    x = 188,775.60

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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.