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Finding the Fourth Proportional to 124,611.40, 186,795.60 and 71,248.60

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Solution

The fourth proportional to 124,611.40, 186,795.60 and 71,248.60 is: 106,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,611.40 : 186,795.60 = 71,248.60 : x
  2. Step 2: Convert to fraction form
    124,611.40/186,795.60 = 71,248.60/x
  3. Step 3: Cross multiply
    124,611.40x = 186,795.60 × 71,248.60
  4. Step 4: Simplify right side
    124,611.40x = 13,308,924,986.16
  5. Step 5: Solve for x
    x = 13,308,924,986.16/124,611.40
  6. Step 6: Final answer
    x = 106,803.43

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