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Finding the Fourth Proportional to 109,315.60, 163,973.40 and 35,443.60

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Solution

The fourth proportional to 109,315.60, 163,973.40 and 35,443.60 is: 53,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.60 : 163,973.40 = 35,443.60 : x
  2. Step 2: Convert to fraction form
    109,315.60/163,973.40 = 35,443.60/x
  3. Step 3: Cross multiply
    109,315.60x = 163,973.40 × 35,443.60
  4. Step 4: Simplify right side
    109,315.60x = 5,811,807,600.24
  5. Step 5: Solve for x
    x = 5,811,807,600.24/109,315.60
  6. Step 6: Final answer
    x = 53,165.40

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