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Finding the Fourth Proportional to 116,692.07, 161,021.74 and 65,703.48

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Solution

The fourth proportional to 116,692.07, 161,021.74 and 65,703.48 is: 90,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,692.07 : 161,021.74 = 65,703.48 : x
  2. Step 2: Convert to fraction form
    116,692.07/161,021.74 = 65,703.48/x
  3. Step 3: Cross multiply
    116,692.07x = 161,021.74 × 65,703.48
  4. Step 4: Simplify right side
    116,692.07x = 10,579,688,345.14
  5. Step 5: Solve for x
    x = 10,579,688,345.14/116,692.07
  6. Step 6: Final answer
    x = 90,663.30

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