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Finding the Fourth Proportional to 137,903.90, 206,904.45 and 133,043.90

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Solution

The fourth proportional to 137,903.90, 206,904.45 and 133,043.90 is: 199,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,903.90 : 206,904.45 = 133,043.90 : x
  2. Step 2: Convert to fraction form
    137,903.90/206,904.45 = 133,043.90/x
  3. Step 3: Cross multiply
    137,903.90x = 206,904.45 × 133,043.90
  4. Step 4: Simplify right side
    137,903.90x = 27,527,374,955.36
  5. Step 5: Solve for x
    x = 27,527,374,955.36/137,903.90
  6. Step 6: Final answer
    x = 199,612.74

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