Home / 142,034.94-196,001.66-81,563.04

Finding the Fourth Proportional to 142,034.94, 196,001.66 and 81,563.04

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Solution

The fourth proportional to 142,034.94, 196,001.66 and 81,563.04 is: 112,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,034.94 : 196,001.66 = 81,563.04 : x
  2. Step 2: Convert to fraction form
    142,034.94/196,001.66 = 81,563.04/x
  3. Step 3: Cross multiply
    142,034.94x = 196,001.66 × 81,563.04
  4. Step 4: Simplify right side
    142,034.94x = 15,986,491,234.65
  5. Step 5: Solve for x
    x = 15,986,491,234.65/142,034.94
  6. Step 6: Final answer
    x = 112,553.23

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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.