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Finding the Fourth Proportional to 113,358.60, 170,037.90 and 100,236.60

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Solution

The fourth proportional to 113,358.60, 170,037.90 and 100,236.60 is: 150,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,358.60 : 170,037.90 = 100,236.60 : x
  2. Step 2: Convert to fraction form
    113,358.60/170,037.90 = 100,236.60/x
  3. Step 3: Cross multiply
    113,358.60x = 170,037.90 × 100,236.60
  4. Step 4: Simplify right side
    113,358.60x = 17,044,020,967.14
  5. Step 5: Solve for x
    x = 17,044,020,967.14/113,358.60
  6. Step 6: Final answer
    x = 150,354.90

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