Home / 136,269.13-188,264.70-104,116.28

Finding the Fourth Proportional to 136,269.13, 188,264.70 and 104,116.28

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Solution

The fourth proportional to 136,269.13, 188,264.70 and 104,116.28 is: 143,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,269.13 : 188,264.70 = 104,116.28 : x
  2. Step 2: Convert to fraction form
    136,269.13/188,264.70 = 104,116.28/x
  3. Step 3: Cross multiply
    136,269.13x = 188,264.70 × 104,116.28
  4. Step 4: Simplify right side
    136,269.13x = 19,601,419,698.73
  5. Step 5: Solve for x
    x = 19,601,419,698.73/136,269.13
  6. Step 6: Final answer
    x = 143,843.43

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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.