Home / 130,629.40-196,235.70-125,672.20

Finding the Fourth Proportional to 130,629.40, 196,235.70 and 125,672.20

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Solution

The fourth proportional to 130,629.40, 196,235.70 and 125,672.20 is: 188,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,629.40 : 196,235.70 = 125,672.20 : x
  2. Step 2: Convert to fraction form
    130,629.40/196,235.70 = 125,672.20/x
  3. Step 3: Cross multiply
    130,629.40x = 196,235.70 × 125,672.20
  4. Step 4: Simplify right side
    130,629.40x = 24,661,372,137.54
  5. Step 5: Solve for x
    x = 24,661,372,137.54/130,629.40
  6. Step 6: Final answer
    x = 188,788.83

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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.