Home / 80,156.37-120,262.17-35,813.73

Finding the Fourth Proportional to 80,156.37, 120,262.17 and 35,813.73

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Solution

The fourth proportional to 80,156.37, 120,262.17 and 35,813.73 is: 53,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,156.37 : 120,262.17 = 35,813.73 : x
  2. Step 2: Convert to fraction form
    80,156.37/120,262.17 = 35,813.73/x
  3. Step 3: Cross multiply
    80,156.37x = 120,262.17 × 35,813.73
  4. Step 4: Simplify right side
    80,156.37x = 4,307,036,885.59
  5. Step 5: Solve for x
    x = 4,307,036,885.59/80,156.37
  6. Step 6: Final answer
    x = 53,732.93

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1.5x scale

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.