Home / 160,286.62-240,451.80-66,770.50

Finding the Fourth Proportional to 160,286.62, 240,451.80 and 66,770.50

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Solution

The fourth proportional to 160,286.62, 240,451.80 and 66,770.50 is: 100,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,286.62 : 240,451.80 = 66,770.50 : x
  2. Step 2: Convert to fraction form
    160,286.62/240,451.80 = 66,770.50/x
  3. Step 3: Cross multiply
    160,286.62x = 240,451.80 × 66,770.50
  4. Step 4: Simplify right side
    160,286.62x = 16,055,086,911.90
  5. Step 5: Solve for x
    x = 16,055,086,911.90/160,286.62
  6. Step 6: Final answer
    x = 100,164.86

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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.