Home / 120,518.87-180,839.82-49,496.04

Finding the Fourth Proportional to 120,518.87, 180,839.82 and 49,496.04

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Solution

The fourth proportional to 120,518.87, 180,839.82 and 49,496.04 is: 74,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,518.87 : 180,839.82 = 49,496.04 : x
  2. Step 2: Convert to fraction form
    120,518.87/180,839.82 = 49,496.04/x
  3. Step 3: Cross multiply
    120,518.87x = 180,839.82 × 49,496.04
  4. Step 4: Simplify right side
    120,518.87x = 8,950,854,964.31
  5. Step 5: Solve for x
    x = 8,950,854,964.31/120,518.87
  6. Step 6: Final answer
    x = 74,269.33

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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.