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Finding the Fourth Proportional to 132,742.40, 199,113.60 and 49,625.60

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Solution

The fourth proportional to 132,742.40, 199,113.60 and 49,625.60 is: 74,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,742.40 : 199,113.60 = 49,625.60 : x
  2. Step 2: Convert to fraction form
    132,742.40/199,113.60 = 49,625.60/x
  3. Step 3: Cross multiply
    132,742.40x = 199,113.60 × 49,625.60
  4. Step 4: Simplify right side
    132,742.40x = 9,881,131,868.16
  5. Step 5: Solve for x
    x = 9,881,131,868.16/132,742.40
  6. Step 6: Final answer
    x = 74,438.40

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