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Finding the Fourth Proportional to 120,555.25, 180,842.73 and 60,552.87

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Solution

The fourth proportional to 120,555.25, 180,842.73 and 60,552.87 is: 90,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,555.25 : 180,842.73 = 60,552.87 : x
  2. Step 2: Convert to fraction form
    120,555.25/180,842.73 = 60,552.87/x
  3. Step 3: Cross multiply
    120,555.25x = 180,842.73 × 60,552.87
  4. Step 4: Simplify right side
    120,555.25x = 10,950,546,320.14
  5. Step 5: Solve for x
    x = 10,950,546,320.14/120,555.25
  6. Step 6: Final answer
    x = 90,834.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.