Home / 137,022.29-188,918.70-104,796.44

Finding the Fourth Proportional to 137,022.29, 188,918.70 and 104,796.44

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Solution

The fourth proportional to 137,022.29, 188,918.70 and 104,796.44 is: 144,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,022.29 : 188,918.70 = 104,796.44 : x
  2. Step 2: Convert to fraction form
    137,022.29/188,918.70 = 104,796.44/x
  3. Step 3: Cross multiply
    137,022.29x = 188,918.70 × 104,796.44
  4. Step 4: Simplify right side
    137,022.29x = 19,798,007,209.43
  5. Step 5: Solve for x
    x = 19,798,007,209.43/137,022.29
  6. Step 6: Final answer
    x = 144,487.49

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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.