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Finding the Fourth Proportional to 123,086.15, 184,629.22 and 29,591.90

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Solution

The fourth proportional to 123,086.15, 184,629.22 and 29,591.90 is: 44,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,086.15 : 184,629.22 = 29,591.90 : x
  2. Step 2: Convert to fraction form
    123,086.15/184,629.22 = 29,591.90/x
  3. Step 3: Cross multiply
    123,086.15x = 184,629.22 × 29,591.90
  4. Step 4: Simplify right side
    123,086.15x = 5,463,528,492.17
  5. Step 5: Solve for x
    x = 5,463,528,492.17/123,086.15
  6. Step 6: Final answer
    x = 44,387.84

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1.5x scale

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.