Home / 466,133.46-699,198.20-129,173.15

Finding the Fourth Proportional to 466,133.46, 699,198.20 and 129,173.15

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Solution

The fourth proportional to 466,133.46, 699,198.20 and 129,173.15 is: 193,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,133.46 : 699,198.20 = 129,173.15 : x
  2. Step 2: Convert to fraction form
    466,133.46/699,198.20 = 129,173.15/x
  3. Step 3: Cross multiply
    466,133.46x = 699,198.20 × 129,173.15
  4. Step 4: Simplify right side
    466,133.46x = 90,317,632,932.87
  5. Step 5: Solve for x
    x = 90,317,632,932.87/466,133.46
  6. Step 6: Final answer
    x = 193,759.17

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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.