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Finding the Fourth Proportional to 99,189.22, 136,880.58 and 53,866.78

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Solution

The fourth proportional to 99,189.22, 136,880.58 and 53,866.78 is: 74,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.22 : 136,880.58 = 53,866.78 : x
  2. Step 2: Convert to fraction form
    99,189.22/136,880.58 = 53,866.78/x
  3. Step 3: Cross multiply
    99,189.22x = 136,880.58 × 53,866.78
  4. Step 4: Simplify right side
    99,189.22x = 7,373,316,089.13
  5. Step 5: Solve for x
    x = 7,373,316,089.13/99,189.22
  6. Step 6: Final answer
    x = 74,335.86

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