Home / 163,748.09-225,970.76-91,149.83

Finding the Fourth Proportional to 163,748.09, 225,970.76 and 91,149.83

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Solution

The fourth proportional to 163,748.09, 225,970.76 and 91,149.83 is: 125,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,748.09 : 225,970.76 = 91,149.83 : x
  2. Step 2: Convert to fraction form
    163,748.09/225,970.76 = 91,149.83/x
  3. Step 3: Cross multiply
    163,748.09x = 225,970.76 × 91,149.83
  4. Step 4: Simplify right side
    163,748.09x = 20,597,195,456.99
  5. Step 5: Solve for x
    x = 20,597,195,456.99/163,748.09
  6. Step 6: Final answer
    x = 125,785.87

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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.