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Finding the Fourth Proportional to 113,815.20, 157,044.24 and 97,874.40

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Solution

The fourth proportional to 113,815.20, 157,044.24 and 97,874.40 is: 135,048.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,815.20 : 157,044.24 = 97,874.40 : x
  2. Step 2: Convert to fraction form
    113,815.20/157,044.24 = 97,874.40/x
  3. Step 3: Cross multiply
    113,815.20x = 157,044.24 × 97,874.40
  4. Step 4: Simplify right side
    113,815.20x = 15,370,610,763.46
  5. Step 5: Solve for x
    x = 15,370,610,763.46/113,815.20
  6. Step 6: Final answer
    x = 135,048.84

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