Home / 117,821.82-176,765.67-38,991.54

Finding the Fourth Proportional to 117,821.82, 176,765.67 and 38,991.54

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Solution

The fourth proportional to 117,821.82, 176,765.67 and 38,991.54 is: 58,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,821.82 : 176,765.67 = 38,991.54 : x
  2. Step 2: Convert to fraction form
    117,821.82/176,765.67 = 38,991.54/x
  3. Step 3: Cross multiply
    117,821.82x = 176,765.67 × 38,991.54
  4. Step 4: Simplify right side
    117,821.82x = 6,892,365,692.43
  5. Step 5: Solve for x
    x = 6,892,365,692.43/117,821.82
  6. Step 6: Final answer
    x = 58,498.21

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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.