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Finding the Fourth Proportional to 181,438.80, 272,158.20 and 131,283.60

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Solution

The fourth proportional to 181,438.80, 272,158.20 and 131,283.60 is: 196,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,438.80 : 272,158.20 = 131,283.60 : x
  2. Step 2: Convert to fraction form
    181,438.80/272,158.20 = 131,283.60/x
  3. Step 3: Cross multiply
    181,438.80x = 272,158.20 × 131,283.60
  4. Step 4: Simplify right side
    181,438.80x = 35,729,908,265.52
  5. Step 5: Solve for x
    x = 35,729,908,265.52/181,438.80
  6. Step 6: Final answer
    x = 196,925.40

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