Home / 123,433.26-184,833.63-85,429.88

Finding the Fourth Proportional to 123,433.26, 184,833.63 and 85,429.88

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Solution

The fourth proportional to 123,433.26, 184,833.63 and 85,429.88 is: 127,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.26 : 184,833.63 = 85,429.88 : x
  2. Step 2: Convert to fraction form
    123,433.26/184,833.63 = 85,429.88/x
  3. Step 3: Cross multiply
    123,433.26x = 184,833.63 × 85,429.88
  4. Step 4: Simplify right side
    123,433.26x = 15,790,313,906.70
  5. Step 5: Solve for x
    x = 15,790,313,906.70/123,433.26
  6. Step 6: Final answer
    x = 127,925.92

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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.