Home / 140,790.13-194,290.37-84,201.50

Finding the Fourth Proportional to 140,790.13, 194,290.37 and 84,201.50

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Solution

The fourth proportional to 140,790.13, 194,290.37 and 84,201.50 is: 116,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,790.13 : 194,290.37 = 84,201.50 : x
  2. Step 2: Convert to fraction form
    140,790.13/194,290.37 = 84,201.50/x
  3. Step 3: Cross multiply
    140,790.13x = 194,290.37 × 84,201.50
  4. Step 4: Simplify right side
    140,790.13x = 16,359,540,589.56
  5. Step 5: Solve for x
    x = 16,359,540,589.56/140,790.13
  6. Step 6: Final answer
    x = 116,198.06

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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.