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Finding the Fourth Proportional to 114,611.20, 171,916.80 and 102,558.40

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Solution

The fourth proportional to 114,611.20, 171,916.80 and 102,558.40 is: 153,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,611.20 : 171,916.80 = 102,558.40 : x
  2. Step 2: Convert to fraction form
    114,611.20/171,916.80 = 102,558.40/x
  3. Step 3: Cross multiply
    114,611.20x = 171,916.80 × 102,558.40
  4. Step 4: Simplify right side
    114,611.20x = 17,631,511,941.12
  5. Step 5: Solve for x
    x = 17,631,511,941.12/114,611.20
  6. Step 6: Final answer
    x = 153,837.60

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