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Finding the Fourth Proportional to 137,731.40, 206,159.70 and 127,233.80

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Solution

The fourth proportional to 137,731.40, 206,159.70 and 127,233.80 is: 190,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,731.40 : 206,159.70 = 127,233.80 : x
  2. Step 2: Convert to fraction form
    137,731.40/206,159.70 = 127,233.80/x
  3. Step 3: Cross multiply
    137,731.40x = 206,159.70 × 127,233.80
  4. Step 4: Simplify right side
    137,731.40x = 26,230,482,037.86
  5. Step 5: Solve for x
    x = 26,230,482,037.86/137,731.40
  6. Step 6: Final answer
    x = 190,446.64

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