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Finding the Fourth Proportional to 92,249.88, 127,036.78 and 80,144.84

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Solution

The fourth proportional to 92,249.88, 127,036.78 and 80,144.84 is: 110,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,249.88 : 127,036.78 = 80,144.84 : x
  2. Step 2: Convert to fraction form
    92,249.88/127,036.78 = 80,144.84/x
  3. Step 3: Cross multiply
    92,249.88x = 127,036.78 × 80,144.84
  4. Step 4: Simplify right side
    92,249.88x = 10,181,342,407.22
  5. Step 5: Solve for x
    x = 10,181,342,407.22/92,249.88
  6. Step 6: Final answer
    x = 110,367.00

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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.