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Finding the Fourth Proportional to 158,569.56, 218,940.80 and 102,079.36

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Solution

The fourth proportional to 158,569.56, 218,940.80 and 102,079.36 is: 140,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,569.56 : 218,940.80 = 102,079.36 : x
  2. Step 2: Convert to fraction form
    158,569.56/218,940.80 = 102,079.36/x
  3. Step 3: Cross multiply
    158,569.56x = 218,940.80 × 102,079.36
  4. Step 4: Simplify right side
    158,569.56x = 22,349,336,741.89
  5. Step 5: Solve for x
    x = 22,349,336,741.89/158,569.56
  6. Step 6: Final answer
    x = 140,943.42

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