Home / 80,238.30-120,227.85-50,603.10

Finding the Fourth Proportional to 80,238.30, 120,227.85 and 50,603.10

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Solution

The fourth proportional to 80,238.30, 120,227.85 and 50,603.10 is: 75,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.30 : 120,227.85 = 50,603.10 : x
  2. Step 2: Convert to fraction form
    80,238.30/120,227.85 = 50,603.10/x
  3. Step 3: Cross multiply
    80,238.30x = 120,227.85 × 50,603.10
  4. Step 4: Simplify right side
    80,238.30x = 6,083,901,916.34
  5. Step 5: Solve for x
    x = 6,083,901,916.34/80,238.30
  6. Step 6: Final answer
    x = 75,822.92

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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.