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Finding the Fourth Proportional to 112,493.60, 168,740.40 and 107,309.60

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Solution

The fourth proportional to 112,493.60, 168,740.40 and 107,309.60 is: 160,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,493.60 : 168,740.40 = 107,309.60 : x
  2. Step 2: Convert to fraction form
    112,493.60/168,740.40 = 107,309.60/x
  3. Step 3: Cross multiply
    112,493.60x = 168,740.40 × 107,309.60
  4. Step 4: Simplify right side
    112,493.60x = 18,107,464,827.84
  5. Step 5: Solve for x
    x = 18,107,464,827.84/112,493.60
  6. Step 6: Final answer
    x = 160,964.40

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