Home / 136,244.06-187,910.30-88,512.80

Finding the Fourth Proportional to 136,244.06, 187,910.30 and 88,512.80

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Solution

The fourth proportional to 136,244.06, 187,910.30 and 88,512.80 is: 122,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,244.06 : 187,910.30 = 88,512.80 : x
  2. Step 2: Convert to fraction form
    136,244.06/187,910.30 = 88,512.80/x
  3. Step 3: Cross multiply
    136,244.06x = 187,910.30 × 88,512.80
  4. Step 4: Simplify right side
    136,244.06x = 16,632,466,801.84
  5. Step 5: Solve for x
    x = 16,632,466,801.84/136,244.06
  6. Step 6: Final answer
    x = 122,078.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.