Home / 123,137.17-184,716.23-38,874.79

Finding the Fourth Proportional to 123,137.17, 184,716.23 and 38,874.79

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Solution

The fourth proportional to 123,137.17, 184,716.23 and 38,874.79 is: 58,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,137.17 : 184,716.23 = 38,874.79 : x
  2. Step 2: Convert to fraction form
    123,137.17/184,716.23 = 38,874.79/x
  3. Step 3: Cross multiply
    123,137.17x = 184,716.23 × 38,874.79
  4. Step 4: Simplify right side
    123,137.17x = 7,180,804,650.84
  5. Step 5: Solve for x
    x = 7,180,804,650.84/123,137.17
  6. Step 6: Final answer
    x = 58,315.49

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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.