Home / 120,901.17-181,382.49-71,023.44

Finding the Fourth Proportional to 120,901.17, 181,382.49 and 71,023.44

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Solution

The fourth proportional to 120,901.17, 181,382.49 and 71,023.44 is: 106,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,901.17 : 181,382.49 = 71,023.44 : x
  2. Step 2: Convert to fraction form
    120,901.17/181,382.49 = 71,023.44/x
  3. Step 3: Cross multiply
    120,901.17x = 181,382.49 × 71,023.44
  4. Step 4: Simplify right side
    120,901.17x = 12,882,408,395.57
  5. Step 5: Solve for x
    x = 12,882,408,395.57/120,901.17
  6. Step 6: Final answer
    x = 106,553.22

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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.