Home / 141,983.91-213,107.13-71,912.43

Finding the Fourth Proportional to 141,983.91, 213,107.13 and 71,912.43

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Solution

The fourth proportional to 141,983.91, 213,107.13 and 71,912.43 is: 107,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,983.91 : 213,107.13 = 71,912.43 : x
  2. Step 2: Convert to fraction form
    141,983.91/213,107.13 = 71,912.43/x
  3. Step 3: Cross multiply
    141,983.91x = 213,107.13 × 71,912.43
  4. Step 4: Simplify right side
    141,983.91x = 15,325,051,568.63
  5. Step 5: Solve for x
    x = 15,325,051,568.63/141,983.91
  6. Step 6: Final answer
    x = 107,935.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.