Home / 188,990.21-283,526.38-87,850.35

Finding the Fourth Proportional to 188,990.21, 283,526.38 and 87,850.35

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Solution

The fourth proportional to 188,990.21, 283,526.38 and 87,850.35 is: 131,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,990.21 : 283,526.38 = 87,850.35 : x
  2. Step 2: Convert to fraction form
    188,990.21/283,526.38 = 87,850.35/x
  3. Step 3: Cross multiply
    188,990.21x = 283,526.38 × 87,850.35
  4. Step 4: Simplify right side
    188,990.21x = 24,907,890,535.47
  5. Step 5: Solve for x
    x = 24,907,890,535.47/188,990.21
  6. Step 6: Final answer
    x = 131,794.61

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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.