Home / 120,983.10-181,321.29-50,780.94

Finding the Fourth Proportional to 120,983.10, 181,321.29 and 50,780.94

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Solution

The fourth proportional to 120,983.10, 181,321.29 and 50,780.94 is: 76,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,983.10 : 181,321.29 = 50,780.94 : x
  2. Step 2: Convert to fraction form
    120,983.10/181,321.29 = 50,780.94/x
  3. Step 3: Cross multiply
    120,983.10x = 181,321.29 × 50,780.94
  4. Step 4: Simplify right side
    120,983.10x = 9,207,665,548.21
  5. Step 5: Solve for x
    x = 9,207,665,548.21/120,983.10
  6. Step 6: Final answer
    x = 76,107.04

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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.