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Finding the Fourth Proportional to 156,620.80, 234,931.20 and 51,450.40

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Solution

The fourth proportional to 156,620.80, 234,931.20 and 51,450.40 is: 77,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,620.80 : 234,931.20 = 51,450.40 : x
  2. Step 2: Convert to fraction form
    156,620.80/234,931.20 = 51,450.40/x
  3. Step 3: Cross multiply
    156,620.80x = 234,931.20 × 51,450.40
  4. Step 4: Simplify right side
    156,620.80x = 12,087,304,212.48
  5. Step 5: Solve for x
    x = 12,087,304,212.48/156,620.80
  6. Step 6: Final answer
    x = 77,175.60

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