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Finding the Fourth Proportional to 116,774.79, 161,088.10 and 73,738.68

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Solution

The fourth proportional to 116,774.79, 161,088.10 and 73,738.68 is: 101,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,774.79 : 161,088.10 = 73,738.68 : x
  2. Step 2: Convert to fraction form
    116,774.79/161,088.10 = 73,738.68/x
  3. Step 3: Cross multiply
    116,774.79x = 161,088.10 × 73,738.68
  4. Step 4: Simplify right side
    116,774.79x = 11,878,423,857.71
  5. Step 5: Solve for x
    x = 11,878,423,857.71/116,774.79
  6. Step 6: Final answer
    x = 101,720.79

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