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Finding the Fourth Proportional to 92,234.80, 127,278.84 and 54,512.56

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Solution

The fourth proportional to 92,234.80, 127,278.84 and 54,512.56 is: 75,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,234.80 : 127,278.84 = 54,512.56 : x
  2. Step 2: Convert to fraction form
    92,234.80/127,278.84 = 54,512.56/x
  3. Step 3: Cross multiply
    92,234.80x = 127,278.84 × 54,512.56
  4. Step 4: Simplify right side
    92,234.80x = 6,938,295,402.23
  5. Step 5: Solve for x
    x = 6,938,295,402.23/92,234.80
  6. Step 6: Final answer
    x = 75,224.27

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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.