Home / 123,161.13-184,813.46-52,079.53

Finding the Fourth Proportional to 123,161.13, 184,813.46 and 52,079.53

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Solution

The fourth proportional to 123,161.13, 184,813.46 and 52,079.53 is: 78,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,161.13 : 184,813.46 = 52,079.53 : x
  2. Step 2: Convert to fraction form
    123,161.13/184,813.46 = 52,079.53/x
  3. Step 3: Cross multiply
    123,161.13x = 184,813.46 × 52,079.53
  4. Step 4: Simplify right side
    123,161.13x = 9,624,998,546.89
  5. Step 5: Solve for x
    x = 9,624,998,546.89/123,161.13
  6. Step 6: Final answer
    x = 78,149.64

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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.