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Finding the Fourth Proportional to 98,150.66, 135,437.72 and 55,134.98

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Solution

The fourth proportional to 98,150.66, 135,437.72 and 55,134.98 is: 76,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,150.66 : 135,437.72 = 55,134.98 : x
  2. Step 2: Convert to fraction form
    98,150.66/135,437.72 = 55,134.98/x
  3. Step 3: Cross multiply
    98,150.66x = 135,437.72 × 55,134.98
  4. Step 4: Simplify right side
    98,150.66x = 7,467,355,983.45
  5. Step 5: Solve for x
    x = 7,467,355,983.45/98,150.66
  6. Step 6: Final answer
    x = 76,080.55

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