Home / 80,233.52-120,385.92-35,887.64

Finding the Fourth Proportional to 80,233.52, 120,385.92 and 35,887.64

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Solution

The fourth proportional to 80,233.52, 120,385.92 and 35,887.64 is: 53,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.52 : 120,385.92 = 35,887.64 : x
  2. Step 2: Convert to fraction form
    80,233.52/120,385.92 = 35,887.64/x
  3. Step 3: Cross multiply
    80,233.52x = 120,385.92 × 35,887.64
  4. Step 4: Simplify right side
    80,233.52x = 4,320,366,558.03
  5. Step 5: Solve for x
    x = 4,320,366,558.03/80,233.52
  6. Step 6: Final answer
    x = 53,847.40

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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.