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Finding the Fourth Proportional to 98,316.36, 135,688.08 and 55,881.30

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Solution

The fourth proportional to 98,316.36, 135,688.08 and 55,881.30 is: 77,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,316.36 : 135,688.08 = 55,881.30 : x
  2. Step 2: Convert to fraction form
    98,316.36/135,688.08 = 55,881.30/x
  3. Step 3: Cross multiply
    98,316.36x = 135,688.08 × 55,881.30
  4. Step 4: Simplify right side
    98,316.36x = 7,582,426,304.90
  5. Step 5: Solve for x
    x = 7,582,426,304.90/98,316.36
  6. Step 6: Final answer
    x = 77,122.73

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