Home / 163,542.12-225,690.24-91,917.96

Finding the Fourth Proportional to 163,542.12, 225,690.24 and 91,917.96

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Solution

The fourth proportional to 163,542.12, 225,690.24 and 91,917.96 is: 126,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,542.12 : 225,690.24 = 91,917.96 : x
  2. Step 2: Convert to fraction form
    163,542.12/225,690.24 = 91,917.96/x
  3. Step 3: Cross multiply
    163,542.12x = 225,690.24 × 91,917.96
  4. Step 4: Simplify right side
    163,542.12x = 20,744,986,452.71
  5. Step 5: Solve for x
    x = 20,744,986,452.71/163,542.12
  6. Step 6: Final answer
    x = 126,847.97

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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.