Home / 126,233.08-189,169.20-92,690

Finding the Fourth Proportional to 126,233.08, 189,169.20 and 92,690

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Solution

The fourth proportional to 126,233.08, 189,169.20 and 92,690 is: 138,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,233.08 : 189,169.20 = 92,690 : x
  2. Step 2: Convert to fraction form
    126,233.08/189,169.20 = 92,690/x
  3. Step 3: Cross multiply
    126,233.08x = 189,169.20 × 92,690
  4. Step 4: Simplify right side
    126,233.08x = 17,534,093,148
  5. Step 5: Solve for x
    x = 17,534,093,148/126,233.08
  6. Step 6: Final answer
    x = 138,902.52

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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.