Home / 123,029.60-184,544.40-121,863.20

Finding the Fourth Proportional to 123,029.60, 184,544.40 and 121,863.20

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Solution

The fourth proportional to 123,029.60, 184,544.40 and 121,863.20 is: 182,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,029.60 : 184,544.40 = 121,863.20 : x
  2. Step 2: Convert to fraction form
    123,029.60/184,544.40 = 121,863.20/x
  3. Step 3: Cross multiply
    123,029.60x = 184,544.40 × 121,863.20
  4. Step 4: Simplify right side
    123,029.60x = 22,489,171,126.08
  5. Step 5: Solve for x
    x = 22,489,171,126.08/123,029.60
  6. Step 6: Final answer
    x = 182,794.80

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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.