Home / 123,086.20-184,715.70-53,015.80

Finding the Fourth Proportional to 123,086.20, 184,715.70 and 53,015.80

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Solution

The fourth proportional to 123,086.20, 184,715.70 and 53,015.80 is: 79,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,086.20 : 184,715.70 = 53,015.80 : x
  2. Step 2: Convert to fraction form
    123,086.20/184,715.70 = 53,015.80/x
  3. Step 3: Cross multiply
    123,086.20x = 184,715.70 × 53,015.80
  4. Step 4: Simplify right side
    123,086.20x = 9,792,850,608.06
  5. Step 5: Solve for x
    x = 9,792,850,608.06/123,086.20
  6. Step 6: Final answer
    x = 79,560.91

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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.