Home / 188,811.51-283,218-76,493.85

Finding the Fourth Proportional to 188,811.51, 283,218 and 76,493.85

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Solution

The fourth proportional to 188,811.51, 283,218 and 76,493.85 is: 114,741.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811.51 : 283,218 = 76,493.85 : x
  2. Step 2: Convert to fraction form
    188,811.51/283,218 = 76,493.85/x
  3. Step 3: Cross multiply
    188,811.51x = 283,218 × 76,493.85
  4. Step 4: Simplify right side
    188,811.51x = 21,664,435,209.30
  5. Step 5: Solve for x
    x = 21,664,435,209.30/188,811.51
  6. Step 6: Final answer
    x = 114,741.07

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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.