Home / 72,163.45-108,247.02-34,203.85

Finding the Fourth Proportional to 72,163.45, 108,247.02 and 34,203.85

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Solution

The fourth proportional to 72,163.45, 108,247.02 and 34,203.85 is: 51,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,163.45 : 108,247.02 = 34,203.85 : x
  2. Step 2: Convert to fraction form
    72,163.45/108,247.02 = 34,203.85/x
  3. Step 3: Cross multiply
    72,163.45x = 108,247.02 × 34,203.85
  4. Step 4: Simplify right side
    72,163.45x = 3,702,464,835.03
  5. Step 5: Solve for x
    x = 3,702,464,835.03/72,163.45
  6. Step 6: Final answer
    x = 51,306.65

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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.