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Finding the Fourth Proportional to 148,672.90, 205,062.60 and 136,447.68

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Solution

The fourth proportional to 148,672.90, 205,062.60 and 136,447.68 is: 188,200.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,672.90 : 205,062.60 = 136,447.68 : x
  2. Step 2: Convert to fraction form
    148,672.90/205,062.60 = 136,447.68/x
  3. Step 3: Cross multiply
    148,672.90x = 205,062.60 × 136,447.68
  4. Step 4: Simplify right side
    148,672.90x = 27,980,316,024.77
  5. Step 5: Solve for x
    x = 27,980,316,024.77/148,672.90
  6. Step 6: Final answer
    x = 188,200.51

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