Home / 130,076.20-195,260.10-100,624.60

Finding the Fourth Proportional to 130,076.20, 195,260.10 and 100,624.60

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Solution

The fourth proportional to 130,076.20, 195,260.10 and 100,624.60 is: 151,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,076.20 : 195,260.10 = 100,624.60 : x
  2. Step 2: Convert to fraction form
    130,076.20/195,260.10 = 100,624.60/x
  3. Step 3: Cross multiply
    130,076.20x = 195,260.10 × 100,624.60
  4. Step 4: Simplify right side
    130,076.20x = 19,647,969,458.46
  5. Step 5: Solve for x
    x = 19,647,969,458.46/130,076.20
  6. Step 6: Final answer
    x = 151,049.69

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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.