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Finding the Fourth Proportional to 80,153.37, 120,257.67 and 35,810.73

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Solution

The fourth proportional to 80,153.37, 120,257.67 and 35,810.73 is: 53,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,153.37 : 120,257.67 = 35,810.73 : x
  2. Step 2: Convert to fraction form
    80,153.37/120,257.67 = 35,810.73/x
  3. Step 3: Cross multiply
    80,153.37x = 120,257.67 × 35,810.73
  4. Step 4: Simplify right side
    80,153.37x = 4,306,514,950.80
  5. Step 5: Solve for x
    x = 4,306,514,950.80/80,153.37
  6. Step 6: Final answer
    x = 53,728.43

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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.