Home / 108,723.25-163,195.44-74,991.61

Finding the Fourth Proportional to 108,723.25, 163,195.44 and 74,991.61

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Solution

The fourth proportional to 108,723.25, 163,195.44 and 74,991.61 is: 112,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,723.25 : 163,195.44 = 74,991.61 : x
  2. Step 2: Convert to fraction form
    108,723.25/163,195.44 = 74,991.61/x
  3. Step 3: Cross multiply
    108,723.25x = 163,195.44 × 74,991.61
  4. Step 4: Simplify right side
    108,723.25x = 12,238,288,790.26
  5. Step 5: Solve for x
    x = 12,238,288,790.26/108,723.25
  6. Step 6: Final answer
    x = 112,563.68

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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.