Home / 80,132.72-120,216.24-23,977.16

Finding the Fourth Proportional to 80,132.72, 120,216.24 and 23,977.16

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Solution

The fourth proportional to 80,132.72, 120,216.24 and 23,977.16 is: 35,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,132.72 : 120,216.24 = 23,977.16 : x
  2. Step 2: Convert to fraction form
    80,132.72/120,216.24 = 23,977.16/x
  3. Step 3: Cross multiply
    80,132.72x = 120,216.24 × 23,977.16
  4. Step 4: Simplify right side
    80,132.72x = 2,882,444,021.08
  5. Step 5: Solve for x
    x = 2,882,444,021.08/80,132.72
  6. Step 6: Final answer
    x = 35,970.87

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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.