Home / 120,635.82-180,954.24-50,465.94

Finding the Fourth Proportional to 120,635.82, 180,954.24 and 50,465.94

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Solution

The fourth proportional to 120,635.82, 180,954.24 and 50,465.94 is: 75,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,635.82 : 180,954.24 = 50,465.94 : x
  2. Step 2: Convert to fraction form
    120,635.82/180,954.24 = 50,465.94/x
  3. Step 3: Cross multiply
    120,635.82x = 180,954.24 × 50,465.94
  4. Step 4: Simplify right side
    120,635.82x = 9,132,025,818.59
  5. Step 5: Solve for x
    x = 9,132,025,818.59/120,635.82
  6. Step 6: Final answer
    x = 75,699.12

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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.