Home / 146,739.60-219,850.20-130,150.80

Finding the Fourth Proportional to 146,739.60, 219,850.20 and 130,150.80

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Solution

The fourth proportional to 146,739.60, 219,850.20 and 130,150.80 is: 194,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739.60 : 219,850.20 = 130,150.80 : x
  2. Step 2: Convert to fraction form
    146,739.60/219,850.20 = 130,150.80/x
  3. Step 3: Cross multiply
    146,739.60x = 219,850.20 × 130,150.80
  4. Step 4: Simplify right side
    146,739.60x = 28,613,679,410.16
  5. Step 5: Solve for x
    x = 28,613,679,410.16/146,739.60
  6. Step 6: Final answer
    x = 194,996.30

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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.