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Finding the Fourth Proportional to 108,633.44, 149,859.24 and 80,289.92

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Solution

The fourth proportional to 108,633.44, 149,859.24 and 80,289.92 is: 110,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,633.44 : 149,859.24 = 80,289.92 : x
  2. Step 2: Convert to fraction form
    108,633.44/149,859.24 = 80,289.92/x
  3. Step 3: Cross multiply
    108,633.44x = 149,859.24 × 80,289.92
  4. Step 4: Simplify right side
    108,633.44x = 12,032,186,390.86
  5. Step 5: Solve for x
    x = 12,032,186,390.86/108,633.44
  6. Step 6: Final answer
    x = 110,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.