Home / 140,091.30-193,325.04-79,661.94

Finding the Fourth Proportional to 140,091.30, 193,325.04 and 79,661.94

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Solution

The fourth proportional to 140,091.30, 193,325.04 and 79,661.94 is: 109,932.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091.30 : 193,325.04 = 79,661.94 : x
  2. Step 2: Convert to fraction form
    140,091.30/193,325.04 = 79,661.94/x
  3. Step 3: Cross multiply
    140,091.30x = 193,325.04 × 79,661.94
  4. Step 4: Simplify right side
    140,091.30x = 15,400,647,736.98
  5. Step 5: Solve for x
    x = 15,400,647,736.98/140,091.30
  6. Step 6: Final answer
    x = 109,932.93

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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.