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Finding the Fourth Proportional to 98,399.61, 135,744.93 and 58,086.45

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Solution

The fourth proportional to 98,399.61, 135,744.93 and 58,086.45 is: 80,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,399.61 : 135,744.93 = 58,086.45 : x
  2. Step 2: Convert to fraction form
    98,399.61/135,744.93 = 58,086.45/x
  3. Step 3: Cross multiply
    98,399.61x = 135,744.93 × 58,086.45
  4. Step 4: Simplify right side
    98,399.61x = 7,884,941,089.20
  5. Step 5: Solve for x
    x = 7,884,941,089.20/98,399.61
  6. Step 6: Final answer
    x = 80,131.83

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