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Finding the Fourth Proportional to 98,653.40, 136,133.46 and 55,630.48

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Solution

The fourth proportional to 98,653.40, 136,133.46 and 55,630.48 is: 76,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,653.40 : 136,133.46 = 55,630.48 : x
  2. Step 2: Convert to fraction form
    98,653.40/136,133.46 = 55,630.48/x
  3. Step 3: Cross multiply
    98,653.40x = 136,133.46 × 55,630.48
  4. Step 4: Simplify right side
    98,653.40x = 7,573,169,723.86
  5. Step 5: Solve for x
    x = 7,573,169,723.86/98,653.40
  6. Step 6: Final answer
    x = 76,765.42

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