Home / 123,226.22-169,898.09-102,837.60

Finding the Fourth Proportional to 123,226.22, 169,898.09 and 102,837.60

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Solution

The fourth proportional to 123,226.22, 169,898.09 and 102,837.60 is: 141,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,226.22 : 169,898.09 = 102,837.60 : x
  2. Step 2: Convert to fraction form
    123,226.22/169,898.09 = 102,837.60/x
  3. Step 3: Cross multiply
    123,226.22x = 169,898.09 × 102,837.60
  4. Step 4: Simplify right side
    123,226.22x = 17,471,912,714.40
  5. Step 5: Solve for x
    x = 17,471,912,714.40/123,226.22
  6. Step 6: Final answer
    x = 141,787.30

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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.