Home / 146,606.20-219,909.30-130,859.80

Finding the Fourth Proportional to 146,606.20, 219,909.30 and 130,859.80

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Solution

The fourth proportional to 146,606.20, 219,909.30 and 130,859.80 is: 196,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,606.20 : 219,909.30 = 130,859.80 : x
  2. Step 2: Convert to fraction form
    146,606.20/219,909.30 = 130,859.80/x
  3. Step 3: Cross multiply
    146,606.20x = 219,909.30 × 130,859.80
  4. Step 4: Simplify right side
    146,606.20x = 28,777,287,016.14
  5. Step 5: Solve for x
    x = 28,777,287,016.14/146,606.20
  6. Step 6: Final answer
    x = 196,289.70

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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.