Home / 263,921.40-395,622.90-130,822.20

Finding the Fourth Proportional to 263,921.40, 395,622.90 and 130,822.20

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Solution

The fourth proportional to 263,921.40, 395,622.90 and 130,822.20 is: 196,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,921.40 : 395,622.90 = 130,822.20 : x
  2. Step 2: Convert to fraction form
    263,921.40/395,622.90 = 130,822.20/x
  3. Step 3: Cross multiply
    263,921.40x = 395,622.90 × 130,822.20
  4. Step 4: Simplify right side
    263,921.40x = 51,756,258,148.38
  5. Step 5: Solve for x
    x = 51,756,258,148.38/263,921.40
  6. Step 6: Final answer
    x = 196,104.82

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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.