Home / 165,505.58-248,063.96-76,571.22

Finding the Fourth Proportional to 165,505.58, 248,063.96 and 76,571.22

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Solution

The fourth proportional to 165,505.58, 248,063.96 and 76,571.22 is: 114,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,505.58 : 248,063.96 = 76,571.22 : x
  2. Step 2: Convert to fraction form
    165,505.58/248,063.96 = 76,571.22/x
  3. Step 3: Cross multiply
    165,505.58x = 248,063.96 × 76,571.22
  4. Step 4: Simplify right side
    165,505.58x = 18,994,559,672.38
  5. Step 5: Solve for x
    x = 18,994,559,672.38/165,505.58
  6. Step 6: Final answer
    x = 114,766.89

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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.