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Finding the Fourth Proportional to 192,526.60, 288,789.90 and 145,870.60

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Solution

The fourth proportional to 192,526.60, 288,789.90 and 145,870.60 is: 218,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,526.60 : 288,789.90 = 145,870.60 : x
  2. Step 2: Convert to fraction form
    192,526.60/288,789.90 = 145,870.60/x
  3. Step 3: Cross multiply
    192,526.60x = 288,789.90 × 145,870.60
  4. Step 4: Simplify right side
    192,526.60x = 42,125,955,986.94
  5. Step 5: Solve for x
    x = 42,125,955,986.94/192,526.60
  6. Step 6: Final answer
    x = 218,805.90

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