Home / 136,764.82-188,880.96-104,150.58

Finding the Fourth Proportional to 136,764.82, 188,880.96 and 104,150.58

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Solution

The fourth proportional to 136,764.82, 188,880.96 and 104,150.58 is: 143,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,764.82 : 188,880.96 = 104,150.58 : x
  2. Step 2: Convert to fraction form
    136,764.82/188,880.96 = 104,150.58/x
  3. Step 3: Cross multiply
    136,764.82x = 188,880.96 × 104,150.58
  4. Step 4: Simplify right side
    136,764.82x = 19,672,061,534.96
  5. Step 5: Solve for x
    x = 19,672,061,534.96/136,764.82
  6. Step 6: Final answer
    x = 143,838.61

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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.