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Finding the Fourth Proportional to 137,769.56, 190,073.08 and 90,050.44

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Solution

The fourth proportional to 137,769.56, 190,073.08 and 90,050.44 is: 124,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,769.56 : 190,073.08 = 90,050.44 : x
  2. Step 2: Convert to fraction form
    137,769.56/190,073.08 = 90,050.44/x
  3. Step 3: Cross multiply
    137,769.56x = 190,073.08 × 90,050.44
  4. Step 4: Simplify right side
    137,769.56x = 17,116,164,486.16
  5. Step 5: Solve for x
    x = 17,116,164,486.16/137,769.56
  6. Step 6: Final answer
    x = 124,237.64

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