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Finding the Fourth Proportional to 186,691.33, 257,649.34 and 106,144.12

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Solution

The fourth proportional to 186,691.33, 257,649.34 and 106,144.12 is: 146,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.33 : 257,649.34 = 106,144.12 : x
  2. Step 2: Convert to fraction form
    186,691.33/257,649.34 = 106,144.12/x
  3. Step 3: Cross multiply
    186,691.33x = 257,649.34 × 106,144.12
  4. Step 4: Simplify right side
    186,691.33x = 27,347,961,174.63
  5. Step 5: Solve for x
    x = 27,347,961,174.63/186,691.33
  6. Step 6: Final answer
    x = 146,487.58

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