Home / 140,908.08-194,451.30-77,245.86

Finding the Fourth Proportional to 140,908.08, 194,451.30 and 77,245.86

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Solution

The fourth proportional to 140,908.08, 194,451.30 and 77,245.86 is: 106,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908.08 : 194,451.30 = 77,245.86 : x
  2. Step 2: Convert to fraction form
    140,908.08/194,451.30 = 77,245.86/x
  3. Step 3: Cross multiply
    140,908.08x = 194,451.30 × 77,245.86
  4. Step 4: Simplify right side
    140,908.08x = 15,020,557,896.62
  5. Step 5: Solve for x
    x = 15,020,557,896.62/140,908.08
  6. Step 6: Final answer
    x = 106,598.27

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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.