Home / 80,801.24-121,179.18-30,846.92

Finding the Fourth Proportional to 80,801.24, 121,179.18 and 30,846.92

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Solution

The fourth proportional to 80,801.24, 121,179.18 and 30,846.92 is: 46,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.24 : 121,179.18 = 30,846.92 : x
  2. Step 2: Convert to fraction form
    80,801.24/121,179.18 = 30,846.92/x
  3. Step 3: Cross multiply
    80,801.24x = 121,179.18 × 30,846.92
  4. Step 4: Simplify right side
    80,801.24x = 3,738,004,471.13
  5. Step 5: Solve for x
    x = 3,738,004,471.13/80,801.24
  6. Step 6: Final answer
    x = 46,261.72

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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.