Home / 117,169.30-161,692.83-63,453.09

Finding the Fourth Proportional to 117,169.30, 161,692.83 and 63,453.09

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Solution

The fourth proportional to 117,169.30, 161,692.83 and 63,453.09 is: 87,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,169.30 : 161,692.83 = 63,453.09 : x
  2. Step 2: Convert to fraction form
    117,169.30/161,692.83 = 63,453.09/x
  3. Step 3: Cross multiply
    117,169.30x = 161,692.83 × 63,453.09
  4. Step 4: Simplify right side
    117,169.30x = 10,259,909,694.34
  5. Step 5: Solve for x
    x = 10,259,909,694.34/117,169.30
  6. Step 6: Final answer
    x = 87,564.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.