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Finding the Fourth Proportional to 99,118.08, 136,783.94 and 53,796.47

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Solution

The fourth proportional to 99,118.08, 136,783.94 and 53,796.47 is: 74,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.08 : 136,783.94 = 53,796.47 : x
  2. Step 2: Convert to fraction form
    99,118.08/136,783.94 = 53,796.47/x
  3. Step 3: Cross multiply
    99,118.08x = 136,783.94 × 53,796.47
  4. Step 4: Simplify right side
    99,118.08x = 7,358,492,171.79
  5. Step 5: Solve for x
    x = 7,358,492,171.79/99,118.08
  6. Step 6: Final answer
    x = 74,239.66

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