Home / 213,817.19-295,063.97-123,172.88

Finding the Fourth Proportional to 213,817.19, 295,063.97 and 123,172.88

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Solution

The fourth proportional to 213,817.19, 295,063.97 and 123,172.88 is: 169,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,817.19 : 295,063.97 = 123,172.88 : x
  2. Step 2: Convert to fraction form
    213,817.19/295,063.97 = 123,172.88/x
  3. Step 3: Cross multiply
    213,817.19x = 295,063.97 × 123,172.88
  4. Step 4: Simplify right side
    213,817.19x = 36,343,876,877.95
  5. Step 5: Solve for x
    x = 36,343,876,877.95/213,817.19
  6. Step 6: Final answer
    x = 169,976.41

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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.