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Finding the Fourth Proportional to 123,114.33, 184,486.68 and 94,992.21

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Solution

The fourth proportional to 123,114.33, 184,486.68 and 94,992.21 is: 142,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,114.33 : 184,486.68 = 94,992.21 : x
  2. Step 2: Convert to fraction form
    123,114.33/184,486.68 = 94,992.21/x
  3. Step 3: Cross multiply
    123,114.33x = 184,486.68 × 94,992.21
  4. Step 4: Simplify right side
    123,114.33x = 17,524,797,448.76
  5. Step 5: Solve for x
    x = 17,524,797,448.76/123,114.33
  6. Step 6: Final answer
    x = 142,345.72

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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.