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Finding the Fourth Proportional to 113,530.92, 155,538.14 and 109,274.52

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Solution

The fourth proportional to 113,530.92, 155,538.14 and 109,274.52 is: 149,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.92 : 155,538.14 = 109,274.52 : x
  2. Step 2: Convert to fraction form
    113,530.92/155,538.14 = 109,274.52/x
  3. Step 3: Cross multiply
    113,530.92x = 155,538.14 × 109,274.52
  4. Step 4: Simplify right side
    113,530.92x = 16,996,355,590.19
  5. Step 5: Solve for x
    x = 16,996,355,590.19/113,530.92
  6. Step 6: Final answer
    x = 149,706.84

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