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Finding the Fourth Proportional to 122,331.88, 168,824.82 and 92,062.84

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Solution

The fourth proportional to 122,331.88, 168,824.82 and 92,062.84 is: 127,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.88 : 168,824.82 = 92,062.84 : x
  2. Step 2: Convert to fraction form
    122,331.88/168,824.82 = 92,062.84/x
  3. Step 3: Cross multiply
    122,331.88x = 168,824.82 × 92,062.84
  4. Step 4: Simplify right side
    122,331.88x = 15,542,492,391.69
  5. Step 5: Solve for x
    x = 15,542,492,391.69/122,331.88
  6. Step 6: Final answer
    x = 127,051.86

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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.