Home / 109,292.92-163,766.69-82,512.19

Finding the Fourth Proportional to 109,292.92, 163,766.69 and 82,512.19

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Solution

The fourth proportional to 109,292.92, 163,766.69 and 82,512.19 is: 123,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,292.92 : 163,766.69 = 82,512.19 : x
  2. Step 2: Convert to fraction form
    109,292.92/163,766.69 = 82,512.19/x
  3. Step 3: Cross multiply
    109,292.92x = 163,766.69 × 82,512.19
  4. Step 4: Simplify right side
    109,292.92x = 13,512,748,571.05
  5. Step 5: Solve for x
    x = 13,512,748,571.05/109,292.92
  6. Step 6: Final answer
    x = 123,637.91

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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.