Home / 109,694.55-164,221.05-99,188.73

Finding the Fourth Proportional to 109,694.55, 164,221.05 and 99,188.73

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Solution

The fourth proportional to 109,694.55, 164,221.05 and 99,188.73 is: 148,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,694.55 : 164,221.05 = 99,188.73 : x
  2. Step 2: Convert to fraction form
    109,694.55/164,221.05 = 99,188.73/x
  3. Step 3: Cross multiply
    109,694.55x = 164,221.05 × 99,188.73
  4. Step 4: Simplify right side
    109,694.55x = 16,288,877,388.77
  5. Step 5: Solve for x
    x = 16,288,877,388.77/109,694.55
  6. Step 6: Final answer
    x = 148,493.04

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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.