Home / 80,244.37-120,321.53-54,972.44

Finding the Fourth Proportional to 80,244.37, 120,321.53 and 54,972.44

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Solution

The fourth proportional to 80,244.37, 120,321.53 and 54,972.44 is: 82,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.37 : 120,321.53 = 54,972.44 : x
  2. Step 2: Convert to fraction form
    80,244.37/120,321.53 = 54,972.44/x
  3. Step 3: Cross multiply
    80,244.37x = 120,321.53 × 54,972.44
  4. Step 4: Simplify right side
    80,244.37x = 6,614,368,178.74
  5. Step 5: Solve for x
    x = 6,614,368,178.74/80,244.37
  6. Step 6: Final answer
    x = 82,427.81

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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.