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Finding the Fourth Proportional to 165,915.70, 248,873.55 and 156,930.10

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Solution

The fourth proportional to 165,915.70, 248,873.55 and 156,930.10 is: 235,395.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,915.70 : 248,873.55 = 156,930.10 : x
  2. Step 2: Convert to fraction form
    165,915.70/248,873.55 = 156,930.10/x
  3. Step 3: Cross multiply
    165,915.70x = 248,873.55 × 156,930.10
  4. Step 4: Simplify right side
    165,915.70x = 39,055,751,088.86
  5. Step 5: Solve for x
    x = 39,055,751,088.86/165,915.70
  6. Step 6: Final answer
    x = 235,395.15

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