Home / 163,429.58-225,508.26-91,795.88

Finding the Fourth Proportional to 163,429.58, 225,508.26 and 91,795.88

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Solution

The fourth proportional to 163,429.58, 225,508.26 and 91,795.88 is: 126,664.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,429.58 : 225,508.26 = 91,795.88 : x
  2. Step 2: Convert to fraction form
    163,429.58/225,508.26 = 91,795.88/x
  3. Step 3: Cross multiply
    163,429.58x = 225,508.26 × 91,795.88
  4. Step 4: Simplify right side
    163,429.58x = 20,700,729,173.97
  5. Step 5: Solve for x
    x = 20,700,729,173.97/163,429.58
  6. Step 6: Final answer
    x = 126,664.52

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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.