Home / 144,519.92-199,436.00-79,989.30

Finding the Fourth Proportional to 144,519.92, 199,436.00 and 79,989.30

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Solution

The fourth proportional to 144,519.92, 199,436.00 and 79,989.30 is: 110,384.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,519.92 : 199,436.00 = 79,989.30 : x
  2. Step 2: Convert to fraction form
    144,519.92/199,436.00 = 79,989.30/x
  3. Step 3: Cross multiply
    144,519.92x = 199,436.00 × 79,989.30
  4. Step 4: Simplify right side
    144,519.92x = 15,952,745,634.85
  5. Step 5: Solve for x
    x = 15,952,745,634.85/144,519.92
  6. Step 6: Final answer
    x = 110,384.41

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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.