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Finding the Fourth Proportional to 110,421.20, 165,631.80 and 101,867.60

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Solution

The fourth proportional to 110,421.20, 165,631.80 and 101,867.60 is: 152,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,421.20 : 165,631.80 = 101,867.60 : x
  2. Step 2: Convert to fraction form
    110,421.20/165,631.80 = 101,867.60/x
  3. Step 3: Cross multiply
    110,421.20x = 165,631.80 × 101,867.60
  4. Step 4: Simplify right side
    110,421.20x = 16,872,513,949.68
  5. Step 5: Solve for x
    x = 16,872,513,949.68/110,421.20
  6. Step 6: Final answer
    x = 152,801.40

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