Home / 218,696.22-301,747.68-123,202.80

Finding the Fourth Proportional to 218,696.22, 301,747.68 and 123,202.80

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Solution

The fourth proportional to 218,696.22, 301,747.68 and 123,202.80 is: 169,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,696.22 : 301,747.68 = 123,202.80 : x
  2. Step 2: Convert to fraction form
    218,696.22/301,747.68 = 123,202.80/x
  3. Step 3: Cross multiply
    218,696.22x = 301,747.68 × 123,202.80
  4. Step 4: Simplify right side
    218,696.22x = 37,176,159,069.50
  5. Step 5: Solve for x
    x = 37,176,159,069.50/218,696.22
  6. Step 6: Final answer
    x = 169,989.95

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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.